109557626544 has 40 divisors (see below), whose sum is σ = 314470966320. Its totient is φ = 36519208704.

The previous prime is 109557626543. The next prime is 109557626567. The reversal of 109557626544 is 445626755901.

109557626544 is a `hidden beast` number, since 1 + 0 + 9 + 5 + 5 + 7 + 626 + 5 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (109557626543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126802377 + ... + 126803240.

It is an arithmetic number, because the mean of its divisors is an integer number (7861774158).

Almost surely, 2^109557626544 is an apocalyptic number.

It is an amenable number.

109557626544 is an abundant number, since it is smaller than the sum of its proper divisors (204913339776).

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

109557626544 is a wasteful number, since it uses less digits than its factorization.

109557626544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253605634 (or 253605622 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 109557626544 in words is "one hundred nine billion, five hundred fifty-seven million, six hundred twenty-six thousand, five hundred forty-four".