80111157031 has 8 divisors (see below), whose sum is σ = 80173868544. Its totient is φ = 80048474880.

The previous prime is 80111157011. The next prime is 80111157067. The reversal of 80111157031 is 13075111108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80111157031 - 2⁵ = 80111156999 is a prime.

It is a super-2 number, since 2×80111157031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80111157011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9679311 + ... + 9687583.

It is an arithmetic number, because the mean of its divisors is an integer number (10021733568).

Almost surely, 2^80111157031 is an apocalyptic number.

80111157031 is a deficient number, since it is larger than the sum of its proper divisors (62711513).

80111157031 is a wasteful number, since it uses less digits than its factorization.

80111157031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14681.

The product of its (nonzero) digits is 840, while the sum is 28.

Adding to 80111157031 its reverse (13075111108), we get a palindrome (93186268139).

The spelling of 80111157031 in words is "eighty billion, one hundred eleven million, one hundred fifty-seven thousand, thirty-one".