80042856588261 has 24 divisors (see below), whose sum is σ = 134627338310400. Its totient is φ = 44875779433056.

The previous prime is 80042856588259. The next prime is 80042856588287. The reversal of 80042856588261 is 16288565824008.

80042856588261 is a `hidden beast` number, since 8 + 0 + 0 + 4 + 2 + 8 + 565 + 8 + 8 + 2 + 61 = 666.

It is not a de Polignac number, because 80042856588261 - 2¹ = 80042856588259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80042856588061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11986048861 + ... + 11986055538.

It is an arithmetic number, because the mean of its divisors is an integer number (5609472429600).

Almost surely, 2^{80042856588261} is an apocalyptic number.

It is an amenable number.

80042856588261 is a deficient number, since it is larger than the sum of its proper divisors (54584481722139).

80042856588261 is a wasteful number, since it uses less digits than its factorization.

80042856588261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23972104465 (or 23972104462 counting only the distinct ones).

The product of its (nonzero) digits is 58982400, while the sum is 63.

The spelling of 80042856588261 in words is "eighty trillion, forty-two billion, eight hundred fifty-six million, five hundred eighty-eight thousand, two hundred sixty-one".