109867355192 has 48 divisors (see below), whose sum is σ = 243269668080. Its totient is φ = 45567083520.

The previous prime is 109867355189. The next prime is 109867355197. The reversal of 109867355192 is 291553768901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109867355197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 966953 + ... + 1074584.

It is an arithmetic number, because the mean of its divisors is an integer number (5068118085).

Almost surely, 2^109867355192 is an apocalyptic number.

It is an amenable number.

109867355192 is an abundant number, since it is smaller than the sum of its proper divisors (133402312888).

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

109867355192 is a wasteful number, since it uses less digits than its factorization.

109867355192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041612 (or 2041577 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 109867355192 in words is "one hundred nine billion, eight hundred sixty-seven million, three hundred fifty-five thousand, one hundred ninety-two".