80291911636128 has 192 divisors, whose sum is σ = 222122276006400. Its totient is φ = 25325293593600.

The previous prime is 80291911636121. The next prime is 80291911636163. The reversal of 80291911636128 is 82163611919208.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (80291911636121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12411793278 + ... + 12411799746.

It is an arithmetic number, because the mean of its divisors is an integer number (1156886854200).

Almost surely, 2^{80291911636128} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80291911636128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111061138003200).

80291911636128 is an abundant number, since it is smaller than the sum of its proper divisors (141830364370272).

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

80291911636128 is a wasteful number, since it uses less digits than its factorization.

80291911636128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13515 (or 13507 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 57.

The spelling of 80291911636128 in words is "eighty trillion, two hundred ninety-one billion, nine hundred eleven million, six hundred thirty-six thousand, one hundred twenty-eight".