104311513525 has 24 divisors (see below), whose sum is σ = 129605045024. Its totient is φ = 83282472000.

The previous prime is 104311513517. The next prime is 104311513529. The reversal of 104311513525 is 525315113401.

It is not a de Polignac number, because 104311513525 - 2³ = 104311513517 is a prime.

It is a super-3 number, since 3×104311513525³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104311513529) 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, 38964487 + ... + 38967163.

Almost surely, 2^104311513525 is an apocalyptic number.

It is an amenable number.

104311513525 is a deficient number, since it is larger than the sum of its proper divisors (25293531499).

104311513525 is a wasteful number, since it uses less digits than its factorization.

104311513525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221 (or 5216 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 104311513525 its reverse (525315113401), we get a palindrome (629626626926).

The spelling of 104311513525 in words is "one hundred four billion, three hundred eleven million, five hundred thirteen thousand, five hundred twenty-five".