108931407354441 has 45 divisors (see below), whose sum is σ = 189293134681629. Its totient is φ = 62246142755496.

The previous prime is 108931407354379. The next prime is 108931407354491. The reversal of 108931407354441 is 144453704139801.

The square root of 108931407354441 is 10437021.

It is a perfect power (a square), and thus also a powerful number.

108931407354441 is a `hidden beast` number, since 1 + 0 + 8 + 9 + 3 + 140 + 7 + 3 + 54 + 441 = 666.

It is not a de Polignac number, because 108931407354441 - 2³⁵ = 108897047616073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108931407354491) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 657449490 + ... + 657615156.

Almost surely, 2^{108931407354441} is an apocalyptic number.

108931407354441 is the 10437021-st square number.

108931407354441 is the 5218511-st centered octagonal number.

It is an amenable number.

108931407354441 is a deficient number, since it is larger than the sum of its proper divisors (80361727327188).

108931407354441 is an frugal number, since it uses more digits than its factorization.

108931407354441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331360 (or 165677 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 108931407354441 in words is "one hundred eight trillion, nine hundred thirty-one billion, four hundred seven million, three hundred fifty-four thousand, four hundred forty-one".