109013298500 has 24 divisors (see below), whose sum is σ = 238085045016. Its totient is φ = 43605319200.

The previous prime is 109013298491. The next prime is 109013298521. The reversal of 109013298500 is 5892310901.

It can be written as a sum of positive squares in 4 ways, for example, as 9044770816 + 99968527684 = 95104^2 + 316178^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109012799 + ... + 109013798.

It is an arithmetic number, because the mean of its divisors is an integer number (9920210209).

Almost surely, 2^109013298500 is an apocalyptic number.

109013298500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109013298500 is an abundant number, since it is smaller than the sum of its proper divisors (129071746516).

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

109013298500 is a wasteful number, since it uses less digits than its factorization.

109013298500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218026616 (or 218026604 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 109013298500 in words is "one hundred nine billion, thirteen million, two hundred ninety-eight thousand, five hundred".