15112478484 has 144 divisors (see below), whose sum is σ = 39852933120. Its totient is φ = 4825154880.

The previous prime is 15112478483. The next prime is 15112478503. The reversal of 15112478484 is 48487421151.

15112478484 is a `hidden beast` number, since 1 + 511 + 24 + 78 + 48 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15112478483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23357449 + ... + 23358095.

It is an arithmetic number, because the mean of its divisors is an integer number (276756480).

Almost surely, 2^15112478484 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 15112478484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19926466560).

15112478484 is an abundant number, since it is smaller than the sum of its proper divisors (24740454636).

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

15112478484 is a wasteful number, since it uses less digits than its factorization.

15112478484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 965 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The spelling of 15112478484 in words is "fifteen billion, one hundred twelve million, four hundred seventy-eight thousand, four hundred eighty-four".