109557626551 has 8 divisors (see below), whose sum is σ = 109663953408. Its totient is φ = 109451355000.

The previous prime is 109557626543. The next prime is 109557626567. The reversal of 109557626551 is 155626755901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109557626551 - 2³ = 109557626543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109557626251) 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, 4692216 + ... + 4715506.

It is an arithmetic number, because the mean of its divisors is an integer number (13707994176).

Almost surely, 2^109557626551 is an apocalyptic number.

109557626551 is a deficient number, since it is larger than the sum of its proper divisors (106326857).

109557626551 is a wasteful number, since it uses less digits than its factorization.

109557626551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27653.

The product of its (nonzero) digits is 2835000, while the sum is 52.

The spelling of 109557626551 in words is "one hundred nine billion, five hundred fifty-seven million, six hundred twenty-six thousand, five hundred fifty-one".