15213130251552 has 192 divisors, whose sum is σ = 44427820066560. Its totient is φ = 5064626552832.

The previous prime is 15213130251547. The next prime is 15213130251559. The reversal of 15213130251552 is 25515203131251.

15213130251552 is a `hidden beast` number, since 1 + 5 + 2 + 1 + 3 + 130 + 2 + 515 + 5 + 2 = 666.

15213130251552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (15213130251559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3938162773 + ... + 3938166635.

It is an arithmetic number, because the mean of its divisors is an integer number (231394896180).

Almost surely, 2^{15213130251552} is an apocalyptic number.

15213130251552 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 15213130251552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22213910033280).

15213130251552 is an abundant number, since it is smaller than the sum of its proper divisors (29214689815008).

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

15213130251552 is a wasteful number, since it uses less digits than its factorization.

15213130251552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472 (or 8458 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 15213130251552 in words is "fifteen trillion, two hundred thirteen billion, one hundred thirty million, two hundred fifty-one thousand, five hundred fifty-two".