80045844105 has 32 divisors (see below), whose sum is σ = 137517067008. Its totient is φ = 39613952000.

The previous prime is 80045844091. The next prime is 80045844161. The reversal of 80045844105 is 50144854008.

It is not a de Polignac number, because 80045844105 - 2⁶ = 80045844041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2192496 + ... + 2228705.

It is an arithmetic number, because the mean of its divisors is an integer number (4297408344).

Almost surely, 2^80045844105 is an apocalyptic number.

80045844105 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

80045844105 is a deficient number, since it is larger than the sum of its proper divisors (57471222903).

80045844105 is a wasteful number, since it uses less digits than its factorization.

80045844105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421297.

The product of its (nonzero) digits is 102400, while the sum is 39.

The spelling of 80045844105 in words is "eighty billion, forty-five million, eight hundred forty-four thousand, one hundred five".