511052515225 has 96 divisors (see below), whose sum is σ = 784614781440. Its totient is φ = 322468608000.

The previous prime is 511052515199. The next prime is 511052515241. The reversal of 511052515225 is 522515250115.

It is not a de Polignac number, because 511052515225 - 2¹⁹ = 511051990937 is a prime.

It is a super-2 number, since 2×511052515225² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32791935 + ... + 32807515.

It is an arithmetic number, because the mean of its divisors is an integer number (8173070640).

Almost surely, 2^511052515225 is an apocalyptic number.

It is an amenable number.

511052515225 is a deficient number, since it is larger than the sum of its proper divisors (273562266215).

511052515225 is a wasteful number, since it uses less digits than its factorization.

511052515225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15931 (or 15926 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 511052515225 in words is "five hundred eleven billion, fifty-two million, five hundred fifteen thousand, two hundred twenty-five".