15479133120 has 504 divisors, whose sum is σ = 59940889008. Its totient is φ = 3661701120.

The previous prime is 15479133107. The next prime is 15479133121. The reversal of 15479133120 is 2133197451.

15479133120 is a `hidden beast` number, since 1 + 547 + 91 + 3 + 3 + 1 + 20 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15479133121) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14984124 + ... + 14985156.

Almost surely, 2^15479133120 is an apocalyptic number.

15479133120 is a gapful number since it is divisible by the number (10) 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 15479133120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29970444504).

15479133120 is an abundant number, since it is smaller than the sum of its proper divisors (44461755888).

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

15479133120 is a wasteful number, since it uses less digits than its factorization.

15479133120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 15479133120 in words is "fifteen billion, four hundred seventy-nine million, one hundred thirty-three thousand, one hundred twenty".