15342274551 has 8 divisors (see below), whose sum is σ = 20458572400. Its totient is φ = 10227079872.

The previous prime is 15342274513. The next prime is 15342274561. The reversal of 15342274551 is 15547224351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15342274551 - 2¹⁴ = 15342258167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15342274561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242776 + ... + 299373.

It is an arithmetic number, because the mean of its divisors is an integer number (2557321550).

Almost surely, 2^15342274551 is an apocalyptic number.

15342274551 is a deficient number, since it is larger than the sum of its proper divisors (5116297849).

15342274551 is an equidigital number, since it uses as much as digits as its factorization.

15342274551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551585.

The product of its digits is 168000, while the sum is 39.

The spelling of 15342274551 in words is "fifteen billion, three hundred forty-two million, two hundred seventy-four thousand, five hundred fifty-one".