109557626555 has 8 divisors (see below), whose sum is σ = 141582163632. Its totient is φ = 80904093408.

The previous prime is 109557626543. The next prime is 109557626567. The reversal of 109557626555 is 555626755901.

It is an interprime number because it is at equal distance from previous prime (109557626543) and next prime (109557626567).

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 109557626555 - 2¹⁶ = 109557561019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109557626555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842750909 + ... + 842751038.

It is an arithmetic number, because the mean of its divisors is an integer number (17697770454).

Almost surely, 2^109557626555 is an apocalyptic number.

109557626555 is a deficient number, since it is larger than the sum of its proper divisors (32024537077).

109557626555 is a wasteful number, since it uses less digits than its factorization.

109557626555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685501965.

The product of its (nonzero) digits is 14175000, while the sum is 56.

The spelling of 109557626555 in words is "one hundred nine billion, five hundred fifty-seven million, six hundred twenty-six thousand, five hundred fifty-five".