109547987232 has 24 divisors (see below), whose sum is σ = 287563466736. Its totient is φ = 36515995712.

The previous prime is 109547987231. The next prime is 109547987309. The reversal of 109547987232 is 232789745901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (109547987231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570562338 + ... + 570562529.

It is an arithmetic number, because the mean of its divisors is an integer number (11981811114).

Almost surely, 2^109547987232 is an apocalyptic number.

109547987232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109547987232 is an abundant number, since it is smaller than the sum of its proper divisors (178015479504).

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

109547987232 is a wasteful number, since it uses less digits than its factorization.

109547987232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141124880 (or 1141124872 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 109547987232 in words is "one hundred nine billion, five hundred forty-seven million, nine hundred eighty-seven thousand, two hundred thirty-two".