13537881025 has 24 divisors (see below), whose sum is σ = 17065157760. Its totient is φ = 10651674240.

The previous prime is 13537881013. The next prime is 13537881043. The reversal of 13537881025 is 52018873531.

It is not a de Polignac number, because 13537881025 - 2¹³ = 13537872833 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 644844 + ... + 665506.

It is an arithmetic number, because the mean of its divisors is an integer number (711048240).

Almost surely, 2^13537881025 is an apocalyptic number.

It is an amenable number.

13537881025 is a deficient number, since it is larger than the sum of its proper divisors (3527276735).

13537881025 is a wasteful number, since it uses less digits than its factorization.

13537881025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21105 (or 21100 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 13537881025 in words is "thirteen billion, five hundred thirty-seven million, eight hundred eighty-one thousand, twenty-five".