56136180489 has 16 divisors (see below), whose sum is σ = 75713630400. Its totient is φ = 36991696896.

The previous prime is 56136180487. The next prime is 56136180497. The reversal of 56136180489 is 98408163165.

It is not a de Polignac number, because 56136180489 - 2¹ = 56136180487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56136180487) 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, 837897 + ... + 902409.

It is an arithmetic number, because the mean of its divisors is an integer number (4732101900).

Almost surely, 2^56136180489 is an apocalyptic number.

It is an amenable number.

56136180489 is a deficient number, since it is larger than the sum of its proper divisors (19577449911).

56136180489 is a wasteful number, since it uses less digits than its factorization.

56136180489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67864.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 56136180489 in words is "fifty-six billion, one hundred thirty-six million, one hundred eighty thousand, four hundred eighty-nine".