15552120415055 has 32 divisors (see below), whose sum is σ = 21385376483328. Its totient is φ = 10635967987200.

The previous prime is 15552120415031. The next prime is 15552120415129. The reversal of 15552120415055 is 55051402125551.

It is not a de Polignac number, because 15552120415055 - 2²⁶ = 15552053306191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21690695 + ... + 22396215.

It is an arithmetic number, because the mean of its divisors is an integer number (668293015104).

Almost surely, 2^{15552120415055} is an apocalyptic number.

15552120415055 is a deficient number, since it is larger than the sum of its proper divisors (5833256068273).

15552120415055 is a wasteful number, since it uses less digits than its factorization.

15552120415055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707207.

The product of its (nonzero) digits is 250000, while the sum is 41.

The spelling of 15552120415055 in words is "fifteen trillion, five hundred fifty-two billion, one hundred twenty million, four hundred fifteen thousand, fifty-five".