15122252320 has 48 divisors (see below), whose sum is σ = 40830084288. Its totient is φ = 5184771840.

The previous prime is 15122252317. The next prime is 15122252339. The reversal of 15122252320 is 2325222151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6749886 + ... + 6752125.

It is an arithmetic number, because the mean of its divisors is an integer number (850626756).

Almost surely, 2^15122252320 is an apocalyptic number.

15122252320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15122252320 is an abundant number, since it is smaller than the sum of its proper divisors (25707831968).

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

15122252320 is a wasteful number, since it uses less digits than its factorization.

15122252320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13502033 (or 13502025 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 15122252320 its reverse (2325222151), we get a palindrome (17447474471).

The spelling of 15122252320 in words is "fifteen billion, one hundred twenty-two million, two hundred fifty-two thousand, three hundred twenty".