15492422555 has 4 divisors (see below), whose sum is σ = 18590907072. Its totient is φ = 12393938040.

The previous prime is 15492422537. The next prime is 15492422567. The reversal of 15492422555 is 55522429451.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15492422555 - 2³² = 11197455259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1549242251 + ... + 1549242260.

It is an arithmetic number, because the mean of its divisors is an integer number (4647726768).

Almost surely, 2^15492422555 is an apocalyptic number.

15492422555 is a deficient number, since it is larger than the sum of its proper divisors (3098484517).

15492422555 is an equidigital number, since it uses as much as digits as its factorization.

15492422555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098484516.

The product of its digits is 720000, while the sum is 44.

The spelling of 15492422555 in words is "fifteen billion, four hundred ninety-two million, four hundred twenty-two thousand, five hundred fifty-five".