80921102481 has 12 divisors (see below), whose sum is σ = 117261880320. Its totient is φ = 53773935480.

The previous prime is 80921102473. The next prime is 80921102497. The reversal of 80921102481 is 18420112908.

It is a happy number.

80921102481 is a `hidden beast` number, since 80 + 92 + 1 + 10 + 2 + 481 = 666.

It is not a de Polignac number, because 80921102481 - 2³ = 80921102473 is a prime.

It is a super-2 number, since 2×80921102481² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80921102461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14452561 + ... + 14458158.

It is an arithmetic number, because the mean of its divisors is an integer number (9771823360).

Almost surely, 2^80921102481 is an apocalyptic number.

It is an amenable number.

80921102481 is a deficient number, since it is larger than the sum of its proper divisors (36340777839).

80921102481 is a wasteful number, since it uses less digits than its factorization.

80921102481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28911036 (or 28911033 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 80921102481 in words is "eighty billion, nine hundred twenty-one million, one hundred two thousand, four hundred eighty-one".