13525755631 has 8 divisors (see below), whose sum is σ = 13908226784. Its totient is φ = 13144174560.

The previous prime is 13525755571. The next prime is 13525755637. The reversal of 13525755631 is 13655752531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13525755631 - 2¹⁵ = 13525722863 is a prime.

It is a super-2 number, since 2×13525755631² (a number of 21 digits) contains 22 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 (13525755637) 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, 191640 + ... + 252541.

It is an arithmetic number, because the mean of its divisors is an integer number (1738528348).

Almost surely, 2^13525755631 is an apocalyptic number.

13525755631 is a deficient number, since it is larger than the sum of its proper divisors (382471153).

13525755631 is an equidigital number, since it uses as much as digits as its factorization.

13525755631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445041.

The product of its digits is 472500, while the sum is 43.

The spelling of 13525755631 in words is "thirteen billion, five hundred twenty-five million, seven hundred fifty-five thousand, six hundred thirty-one".