80111432 has 16 divisors (see below), whose sum is σ = 150491760. Its totient is φ = 39980304.

The previous prime is 80111413. The next prime is 80111491. The reversal of 80111432 is 23411108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4778 + ... + 13529.

It is an arithmetic number, because the mean of its divisors is an integer number (9405735).

Almost surely, 2^80111432 is an apocalyptic number.

It is an amenable number.

80111432 is a deficient number, since it is larger than the sum of its proper divisors (70380328).

80111432 is a wasteful number, since it uses less digits than its factorization.

80111432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18860 (or 18856 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 80111432 is about 8950.4989805038. The cubic root of 80111432 is about 431.0869059953.

The spelling of 80111432 in words is "eighty million, one hundred eleven thousand, four hundred thirty-two".