80111745 has 48 divisors (see below), whose sum is σ = 162594432. Its totient is φ = 35723520.

The previous prime is 80111741. The next prime is 80111747. The reversal of 80111745 is 54711108.

It is not a de Polignac number, because 80111745 - 2² = 80111741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80111741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9814 + ... + 16016.

It is an arithmetic number, because the mean of its divisors is an integer number (3387384).

Almost surely, 2^80111745 is an apocalyptic number.

It is an amenable number.

80111745 is an abundant number, since it is smaller than the sum of its proper divisors (82482687).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80111745 is a wasteful number, since it uses less digits than its factorization.

80111745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262 (or 6259 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 80111745 is about 8950.5164655454. The cubic root of 80111745 is about 431.0874674217.

The spelling of 80111745 in words is "eighty million, one hundred eleven thousand, seven hundred forty-five".