512157756047 has 48 divisors (see below), whose sum is σ = 629932262400. Its totient is φ = 414616164480.

The previous prime is 512157756041. The next prime is 512157756073. The reversal of 512157756047 is 740657751215.

It is a happy number.

It is not a de Polignac number, because 512157756047 - 2⁴ = 512157756031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512157755986 and 512157756004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512157756041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12436763 + ... + 12477875.

It is an arithmetic number, because the mean of its divisors is an integer number (13123588800).

Almost surely, 2^512157756047 is an apocalyptic number.

512157756047 is a deficient number, since it is larger than the sum of its proper divisors (117774506353).

512157756047 is a wasteful number, since it uses less digits than its factorization.

512157756047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41356 (or 41349 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 50.

The spelling of 512157756047 in words is "five hundred twelve billion, one hundred fifty-seven million, seven hundred fifty-six thousand, forty-seven".