13561874037 has 8 divisors (see below), whose sum is σ = 20091665280. Its totient is φ = 9041249340.

The previous prime is 13561874033. The next prime is 13561874047. The reversal of 13561874037 is 73047816531.

13561874037 is a `hidden beast` number, since 1 + 3 + 561 + 87 + 4 + 0 + 3 + 7 = 666.

13561874037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13561874037 - 2² = 13561874033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13561873983 and 13561874001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13561874033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251145789 + ... + 251145842.

It is an arithmetic number, because the mean of its divisors is an integer number (2511458160).

Almost surely, 2^13561874037 is an apocalyptic number.

It is an amenable number.

13561874037 is a deficient number, since it is larger than the sum of its proper divisors (6529791243).

13561874037 is an equidigital number, since it uses as much as digits as its factorization.

13561874037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502291640 (or 502291634 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 13561874037 in words is "thirteen billion, five hundred sixty-one million, eight hundred seventy-four thousand, thirty-seven".