51235371740160 has 1056 divisors, whose sum is σ = 198981133977600. Its totient is φ = 12113592975360.

The previous prime is 51235371740087. The next prime is 51235371740171. The reversal of 51235371740160 is 6104717353215.

51235371740160 is a `hidden beast` number, since 5 + 1 + 2 + 3 + 537 + 17 + 40 + 1 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2664197745 + ... + 2664216975.

Almost surely, 2^{51235371740160} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51235371740160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99490566988800).

51235371740160 is an abundant number, since it is smaller than the sum of its proper divisors (147745762237440).

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

51235371740160 is a wasteful number, since it uses less digits than its factorization.

51235371740160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19477 (or 19456 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 51235371740160 in words is "fifty-one trillion, two hundred thirty-five billion, three hundred seventy-one million, seven hundred forty thousand, one hundred sixty".