15500224454 has 32 divisors (see below), whose sum is σ = 27323364096. Its totient is φ = 6501618720.

The previous prime is 15500224447. The next prime is 15500224499. The reversal of 15500224454 is 45442200551.

It is a self number, because there is not a number n which added to its sum of digits gives 15500224454.

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, 1300229 + ... + 1312095.

It is an arithmetic number, because the mean of its divisors is an integer number (853855128).

Almost surely, 2^15500224454 is an apocalyptic number.

15500224454 is a deficient number, since it is larger than the sum of its proper divisors (11823139642).

15500224454 is a wasteful number, since it uses less digits than its factorization.

15500224454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16460.

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 15500224454 in words is "fifteen billion, five hundred million, two hundred twenty-four thousand, four hundred fifty-four".