56190998765 has 16 divisors (see below), whose sum is σ = 75353253696. Its totient is φ = 39869443200.

The previous prime is 56190998749. The next prime is 56190998813. The reversal of 56190998765 is 56789909165.

It is not a de Polignac number, because 56190998765 - 2⁴ = 56190998749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12456947 + ... + 12461456.

It is an arithmetic number, because the mean of its divisors is an integer number (4709578356).

Almost surely, 2^56190998765 is an apocalyptic number.

56190998765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56190998765 is a deficient number, since it is larger than the sum of its proper divisors (19162254931).

56190998765 is a wasteful number, since it uses less digits than its factorization.

56190998765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24918460.

The product of its (nonzero) digits is 36741600, while the sum is 65.

The spelling of 56190998765 in words is "fifty-six billion, one hundred ninety million, nine hundred ninety-eight thousand, seven hundred sixty-five".