15421228574130 has 96 divisors (see below), whose sum is σ = 40555680048000. Its totient is φ = 4065121057536.

The previous prime is 15421228574123. The next prime is 15421228574197. The reversal of 15421228574130 is 3147582212451.

It is a happy number.

15421228574130 is a `hidden beast` number, since 1 + 5 + 4 + 2 + 1 + 228 + 5 + 7 + 413 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32598147 + ... + 33067833.

It is an arithmetic number, because the mean of its divisors is an integer number (422455000500).

Almost surely, 2^{15421228574130} is an apocalyptic number.

15421228574130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15421228574130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20277840024000).

15421228574130 is an abundant number, since it is smaller than the sum of its proper divisors (25134451473870).

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

15421228574130 is a wasteful number, since it uses less digits than its factorization.

15421228574130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473888 (or 473885 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 15421228574130 in words is "fifteen trillion, four hundred twenty-one billion, two hundred twenty-eight million, five hundred seventy-four thousand, one hundred thirty".