13525266252531 has 32 divisors (see below), whose sum is σ = 19999338817536. Its totient is φ = 8061254208000.

The previous prime is 13525266252529. The next prime is 13525266252559.

It is a happy number.

13525266252531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13525266252531 - 2¹ = 13525266252529 is a prime.

It is a super-2 number, since 2×13525266252531² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13525266252521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10262971 + ... + 11505611.

It is an arithmetic number, because the mean of its divisors is an integer number (624979338048).

Almost surely, 2^{13525266252531} is an apocalyptic number.

13525266252531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13525266252531 is a deficient number, since it is larger than the sum of its proper divisors (6474072565005).

13525266252531 is a wasteful number, since it uses less digits than its factorization.

13525266252531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248123.

The product of its digits is 3240000, while the sum is 48.

The spelling of 13525266252531 in words is "thirteen trillion, five hundred twenty-five billion, two hundred sixty-six million, two hundred fifty-two thousand, five hundred thirty-one".