109209711204 has 72 divisors (see below), whose sum is σ = 303917053440. Its totient is φ = 32790225600.

The previous prime is 109209711197. The next prime is 109209711209. The reversal of 109209711204 is 402117902901.

It is a super-2 number, since 2×109209711204² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (109209711209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1221892 + ... + 1308219.

Almost surely, 2^109209711204 is an apocalyptic number.

It is an amenable number.

109209711204 is an abundant number, since it is smaller than the sum of its proper divisors (194707342236).

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

109209711204 is a wasteful number, since it uses less digits than its factorization.

109209711204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530241 (or 2530236 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 109209711204 in words is "one hundred nine billion, two hundred nine million, seven hundred eleven thousand, two hundred four".