109190902188 has 24 divisors (see below), whose sum is σ = 257405359792. Its totient is φ = 36021740544.

The previous prime is 109190902187. The next prime is 109190902313. The reversal of 109190902188 is 881209091901.

It is not an unprimeable number, because it can be changed into a prime (109190902181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46902145 + ... + 46904472.

Almost surely, 2^109190902188 is an apocalyptic number.

It is an amenable number.

109190902188 is an abundant number, since it is smaller than the sum of its proper divisors (148214457604).

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

109190902188 is a wasteful number, since it uses less digits than its factorization.

109190902188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93806721 (or 93806719 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 48.

The spelling of 109190902188 in words is "one hundred nine billion, one hundred ninety million, nine hundred two thousand, one hundred eighty-eight".