51143295660800 has 216 divisors, whose sum is σ = 152285894745600. Its totient is φ = 16611957411840.

The previous prime is 51143295660797. The next prime is 51143295660871. The reversal of 51143295660800 is 806659234115.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29190680 + ... + 30893079.

Almost surely, 2^{51143295660800} is an apocalyptic number.

51143295660800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51143295660800 is an abundant number, since it is smaller than the sum of its proper divisors (101142599084800).

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

51143295660800 is a wasteful number, since it uses less digits than its factorization.

51143295660800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60083811 (or 60083792 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 51143295660800 in words is "fifty-one trillion, one hundred forty-three billion, two hundred ninety-five million, six hundred sixty thousand, eight hundred".