15112716144720 has 80 divisors (see below), whose sum is σ = 49315179013440. Its totient is φ = 3817949340672.

The previous prime is 15112716144607. The next prime is 15112716144859. The reversal of 15112716144720 is 2744161721151.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657091509 + ... + 1657100628.

It is an arithmetic number, because the mean of its divisors is an integer number (616439737668).

Almost surely, 2^{15112716144720} is an apocalyptic number.

15112716144720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15112716144720 is an abundant number, since it is smaller than the sum of its proper divisors (34202462868720).

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

15112716144720 is a wasteful number, since it uses less digits than its factorization.

15112716144720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314192172 (or 3314192166 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

Adding to 15112716144720 its reverse (2744161721151), we get a palindrome (17856877865871).

The spelling of 15112716144720 in words is "fifteen trillion, one hundred twelve billion, seven hundred sixteen million, one hundred forty-four thousand, seven hundred twenty".