109360155591 has 16 divisors (see below), whose sum is σ = 163087998720. Its totient is φ = 72423941400.

The previous prime is 109360155571. The next prime is 109360155599. The reversal of 109360155591 is 195551063901.

109360155591 is a `hidden beast` number, since 1 + 0 + 9 + 3 + 6 + 0 + 1 + 55 + 591 = 666.

It is not a de Polignac number, because 109360155591 - 2²⁶ = 109293046727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109360155599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13407765 + ... + 13415918.

It is an arithmetic number, because the mean of its divisors is an integer number (10192999920).

Almost surely, 2^109360155591 is an apocalyptic number.

109360155591 is a deficient number, since it is larger than the sum of its proper divisors (53727843129).

109360155591 is a wasteful number, since it uses less digits than its factorization.

109360155591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26823843 (or 26823837 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 45.

The spelling of 109360155591 in words is "one hundred nine billion, three hundred sixty million, one hundred fifty-five thousand, five hundred ninety-one".