80765102531 has 16 divisors (see below), whose sum is σ = 85250855424. Its totient is φ = 76362511104.

The previous prime is 80765102501. The next prime is 80765102543. The reversal of 80765102531 is 13520156708.

It is a cyclic number.

It is not a de Polignac number, because 80765102531 - 2¹⁰ = 80765101507 is a prime.

It is a super-2 number, since 2×80765102531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80765102501) 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, 1814120 + ... + 1858106.

It is an arithmetic number, because the mean of its divisors is an integer number (5328178464).

Almost surely, 2^80765102531 is an apocalyptic number.

80765102531 is a deficient number, since it is larger than the sum of its proper divisors (4485752893).

80765102531 is a wasteful number, since it uses less digits than its factorization.

80765102531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44930.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 80765102531 in words is "eighty billion, seven hundred sixty-five million, one hundred two thousand, five hundred thirty-one".