15500224455 has 16 divisors (see below), whose sum is σ = 25405246944. Its totient is φ = 8065157120.

The previous prime is 15500224447. The next prime is 15500224499. The reversal of 15500224455 is 55442200551.

It is not a de Polignac number, because 15500224455 - 2³ = 15500224447 is a prime.

It is a congruent 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, 12601194 + ... + 12602423.

It is an arithmetic number, because the mean of its divisors is an integer number (1587827934).

Almost surely, 2^15500224455 is an apocalyptic number.

15500224455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15500224455 is a deficient number, since it is larger than the sum of its proper divisors (9905022489).

15500224455 is a wasteful number, since it uses less digits than its factorization.

15500224455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25203666.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 15500224455 in words is "fifteen billion, five hundred million, two hundred twenty-four thousand, four hundred fifty-five".