15212731441152 has 448 divisors, whose sum is σ = 47589392922624. Its totient is φ = 4231656898560.

The previous prime is 15212731441147. The next prime is 15212731441231. The reversal of 15212731441152 is 25114413721251.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×15212731441152² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15212731441152.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3858159693 + ... + 3858163635.

It is an arithmetic number, because the mean of its divisors is an integer number (106226323488).

Almost surely, 2^{15212731441152} is an apocalyptic number.

15212731441152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15212731441152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23794696461312).

15212731441152 is an abundant number, since it is smaller than the sum of its proper divisors (32376661481472).

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

15212731441152 is an equidigital number, since it uses as much as digits as its factorization.

15212731441152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567 (or 4543 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The spelling of 15212731441152 in words is "fifteen trillion, two hundred twelve billion, seven hundred thirty-one million, four hundred forty-one thousand, one hundred fifty-two".