13125137562 has 32 divisors (see below), whose sum is σ = 29787552000. Its totient is φ = 4281958944.

The previous prime is 13125137561. The next prime is 13125137567. The reversal of 13125137562 is 26573152131.

13125137562 is a `hidden beast` number, since 1 + 3 + 12 + 51 + 37 + 562 = 666.

It is not an unprimeable number, because it can be changed into a prime (13125137561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2583187 + ... + 2588262.

It is an arithmetic number, because the mean of its divisors is an integer number (930861000).

Almost surely, 2^13125137562 is an apocalyptic number.

13125137562 is an abundant number, since it is smaller than the sum of its proper divisors (16662414438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13125137562 is a wasteful number, since it uses less digits than its factorization.

13125137562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171507 (or 5171501 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

Adding to 13125137562 its reverse (26573152131), we get a palindrome (39698289693).

The spelling of 13125137562 in words is "thirteen billion, one hundred twenty-five million, one hundred thirty-seven thousand, five hundred sixty-two".