15251012016 has 80 divisors (see below), whose sum is σ = 39934048224. Its totient is φ = 5014904832.

The previous prime is 15251011991. The next prime is 15251012041. The reversal of 15251012016 is 61021015251.

It is an interprime number because it is at equal distance from previous prime (15251011991) and next prime (15251012041).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1470786 + ... + 1481118.

Almost surely, 2^15251012016 is an apocalyptic number.

15251012016 is a gapful number since it is divisible by the number (16) 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 15251012016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19967024112).

15251012016 is an abundant number, since it is smaller than the sum of its proper divisors (24683036208).

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

15251012016 is a wasteful number, since it uses less digits than its factorization.

15251012016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10758 (or 10752 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 15251012016 its reverse (61021015251), we get a palindrome (76272027267).

The spelling of 15251012016 in words is "fifteen billion, two hundred fifty-one million, twelve thousand, sixteen".