525120110135 has 4 divisors (see below), whose sum is σ = 630144132168. Its totient is φ = 420096088104.

The previous prime is 525120110113. The next prime is 525120110143. The reversal of 525120110135 is 531011021525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525120110135 is a prime.

It is a super-2 number, since 2×525120110135² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 52512011009 + ... + 52512011018.

It is an arithmetic number, because the mean of its divisors is an integer number (157536033042).

Almost surely, 2^525120110135 is an apocalyptic number.

525120110135 is a deficient number, since it is larger than the sum of its proper divisors (105024022033).

525120110135 is a wasteful number, since it uses less digits than its factorization.

525120110135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105024022032.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 525120110135 in words is "five hundred twenty-five billion, one hundred twenty million, one hundred ten thousand, one hundred thirty-five".