50151891240000 has 2835 divisors, whose sum is σ = 210165778353531. Its totient is φ = 11421527040000.

The previous prime is 50151891239981. The next prime is 50151891240001. The reversal of 50151891240000 is 4219815105.

The square root of 50151891240000 is 7081800.

It is a perfect power (a square), and thus also a powerful number.

50151891240000 is a `hidden beast` number, since 50 + 1 + 518 + 91 + 2 + 4 + 0 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 22 ways, for example, as 48255696143424 + 1896195096576 = 6946632^2 + 1377024^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (50151891240001) by changing a digit.

It is a polite number, since it can be written in 404 ways as a sum of consecutive naturals, for example, 1355456519982 + ... + 1355456520018.

Almost surely, 2^{50151891240000} is an apocalyptic number.

50151891240000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50151891240000 is the 7081800-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50151891240000

50151891240000 is an abundant number, since it is smaller than the sum of its proper divisors (160013887113531).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50151891240000 is a wasteful number, since it uses less digits than its factorization.

50151891240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

50151891240000 divided by its sum of digits (36) gives a square (1393108090000 = 1180300²).

50151891240000 divided by its product of nonzero digits (14400) gives a square (3482770225 = 59015²).

The spelling of 50151891240000 in words is "fifty trillion, one hundred fifty-one billion, eight hundred ninety-one million, two hundred forty thousand".