28625272830511 has 24 divisors (see below), whose sum is σ = 35307203946480. Its totient is φ = 23074913860992.

The previous prime is 28625272830509. The next prime is 28625272830571. The reversal of 28625272830511 is 11503827252682.

It is not a de Polignac number, because 28625272830511 - 2¹ = 28625272830509 is a prime.

It is a super-2 number, since 2×28625272830511² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28625272830571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112087060 + ... + 112342153.

It is an arithmetic number, because the mean of its divisors is an integer number (1471133497770).

Almost surely, 2^{28625272830511} is an apocalyptic number.

28625272830511 is a deficient number, since it is larger than the sum of its proper divisors (6681931115969).

28625272830511 is a wasteful number, since it uses less digits than its factorization.

28625272830511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224429383 (or 224429376 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 28625272830511 in words is "twenty-eight trillion, six hundred twenty-five billion, two hundred seventy-two million, eight hundred thirty thousand, five hundred eleven".