15255205555 has 16 divisors (see below), whose sum is σ = 18902962944. Its totient is φ = 11806611840.

The previous prime is 15255205543. The next prime is 15255205571. The reversal of 15255205555 is 55550255251.

It is not a de Polignac number, because 15255205555 - 2⁵ = 15255205523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514597 + ... + 543433.

It is an arithmetic number, because the mean of its divisors is an integer number (1181435184).

Almost surely, 2^15255205555 is an apocalyptic number.

15255205555 is a deficient number, since it is larger than the sum of its proper divisors (3647757389).

15255205555 is a wasteful number, since it uses less digits than its factorization.

15255205555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32286.

The product of its (nonzero) digits is 312500, while the sum is 40.

The spelling of 15255205555 in words is "fifteen billion, two hundred fifty-five million, two hundred five thousand, five hundred fifty-five".