108908104423391 has 16 divisors (see below), whose sum is σ = 134168280411648. Its totient is φ = 86087061900000.

The previous prime is 108908104423277. The next prime is 108908104423397. The reversal of 108908104423391 is 193324401809801.

It is not a de Polignac number, because 108908104423391 - 2⁴² = 104510057912287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108908104423397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569263235 + ... + 569454516.

It is an arithmetic number, because the mean of its divisors is an integer number (8385517525728).

Almost surely, 2^{108908104423391} is an apocalyptic number.

108908104423391 is a deficient number, since it is larger than the sum of its proper divisors (25260175988257).

108908104423391 is a wasteful number, since it uses less digits than its factorization.

108908104423391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138718822.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 108908104423391 in words is "one hundred eight trillion, nine hundred eight billion, one hundred four million, four hundred twenty-three thousand, three hundred ninety-one".