15492947112 has 112 divisors (see below), whose sum is σ = 43656802740. Its totient is φ = 5152128768.

The previous prime is 15492947101. The next prime is 15492947123. The reversal of 15492947112 is 21174929451.

15492947112 is a `hidden beast` number, since 1 + 5 + 492 + 9 + 47 + 112 = 666.

It is an interprime number because it is at equal distance from previous prime (15492947101) and next prime (15492947123).

It can be written as a sum of positive squares in 2 ways, for example, as 14100612516 + 1392334596 = 118746^2 + 37314^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2662318 + ... + 2668130.

Almost surely, 2^15492947112 is an apocalyptic number.

15492947112 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 15492947112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21828401370).

15492947112 is an abundant number, since it is smaller than the sum of its proper divisors (28163855628).

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

15492947112 is an equidigital number, since it uses as much as digits as its factorization.

15492947112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294 (or 6275 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 15492947112 in words is "fifteen billion, four hundred ninety-two million, nine hundred forty-seven thousand, one hundred twelve".