511125578696 has 32 divisors (see below), whose sum is σ = 962112816000. Its totient is φ = 254564119680.

The previous prime is 511125578641. The next prime is 511125578699. The reversal of 511125578696 is 696875521115.

It is a super-2 number, since 2×511125578696² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (511125578699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974605 + ... + 2218403.

It is an arithmetic number, because the mean of its divisors is an integer number (30066025500).

Almost surely, 2^511125578696 is an apocalyptic number.

It is an amenable number.

511125578696 is a deficient number, since it is larger than the sum of its proper divisors (450987237304).

511125578696 is a wasteful number, since it uses less digits than its factorization.

511125578696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244829 (or 244825 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 56.

The spelling of 511125578696 in words is "five hundred eleven billion, one hundred twenty-five million, five hundred seventy-eight thousand, six hundred ninety-six".