15250915980216 has 448 divisors, whose sum is σ = 49592692497600. Its totient is φ = 4304806539264.

The previous prime is 15250915980143. The next prime is 15250915980241. The reversal of 15250915980216 is 61208951905251.

15250915980216 is a `hidden beast` number, since 1 + 5 + 2 + 509 + 1 + 59 + 80 + 2 + 1 + 6 = 666.

It is a super-2 number, since 2×15250915980216² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1462351290 + ... + 1462361718.

It is an arithmetic number, because the mean of its divisors is an integer number (110697974325).

Almost surely, 2^{15250915980216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15250915980216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24796346248800).

15250915980216 is an abundant number, since it is smaller than the sum of its proper divisors (34341776517384).

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

15250915980216 is a wasteful number, since it uses less digits than its factorization.

15250915980216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10890 (or 10871 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 54.

The spelling of 15250915980216 in words is "fifteen trillion, two hundred fifty billion, nine hundred fifteen million, nine hundred eighty thousand, two hundred sixteen".