15255530424 has 24 divisors (see below), whose sum is σ = 41317061760. Its totient is φ = 5085176784.

The previous prime is 15255530401. The next prime is 15255530489. The reversal of 15255530424 is 42403555251.

15255530424 is a `hidden beast` number, since 1 + 52 + 55 + 530 + 4 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105941112 + ... + 105941255.

It is an arithmetic number, because the mean of its divisors is an integer number (1721544240).

Almost surely, 2^15255530424 is an apocalyptic number.

It is an amenable number.

15255530424 is an abundant number, since it is smaller than the sum of its proper divisors (26061531336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15255530424 is a wasteful number, since it uses less digits than its factorization.

15255530424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211882379 (or 211882372 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 15255530424 in words is "fifteen billion, two hundred fifty-five million, five hundred thirty thousand, four hundred twenty-four".