15132420553 has 4 divisors (see below), whose sum is σ = 15928863760. Its totient is φ = 14335977348.

The previous prime is 15132420539. The next prime is 15132420571. The reversal of 15132420553 is 35502423151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15132420553 - 2²¹ = 15130323401 is a prime.

It is a super-5 number, since 5×15132420553⁵ (a number of 52 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15132420503) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 398221575 + ... + 398221612.

It is an arithmetic number, because the mean of its divisors is an integer number (3982215940).

Almost surely, 2^15132420553 is an apocalyptic number.

It is an amenable number.

15132420553 is a deficient number, since it is larger than the sum of its proper divisors (796443207).

15132420553 is an equidigital number, since it uses as much as digits as its factorization.

15132420553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796443206.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 15132420553 in words is "fifteen billion, one hundred thirty-two million, four hundred twenty thousand, five hundred fifty-three".