108897911490 has 64 divisors (see below), whose sum is σ = 266587324416. Its totient is φ = 28463585472.

The previous prime is 108897911459. The next prime is 108897911491. The reversal of 108897911490 is 94119798801.

It is a self number, because there is not a number n which added to its sum of digits gives 108897911490.

It is not an unprimeable number, because it can be changed into a prime (108897911491) 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, 144049 + ... + 488411.

It is an arithmetic number, because the mean of its divisors is an integer number (4165426944).

Almost surely, 2^108897911490 is an apocalyptic number.

108897911490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108897911490 is an abundant number, since it is smaller than the sum of its proper divisors (157689412926).

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

108897911490 is a wasteful number, since it uses less digits than its factorization.

108897911490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344583.

The product of its (nonzero) digits is 1306368, while the sum is 57.

The spelling of 108897911490 in words is "one hundred eight billion, eight hundred ninety-seven million, nine hundred eleven thousand, four hundred ninety".