15130445520 has 160 divisors (see below), whose sum is σ = 48256911360. Its totient is φ = 3918827520.

The previous prime is 15130445507. The next prime is 15130445549. The reversal of 15130445520 is 2554403151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6756561 + ... + 6758799.

It is an arithmetic number, because the mean of its divisors is an integer number (301605696).

Almost surely, 2^15130445520 is an apocalyptic number.

15130445520 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 15130445520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24128455680).

15130445520 is an abundant number, since it is smaller than the sum of its proper divisors (33126465840).

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

15130445520 is a wasteful number, since it uses less digits than its factorization.

15130445520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053 (or 3047 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 15130445520 its reverse (2554403151), we get a palindrome (17684848671).

The spelling of 15130445520 in words is "fifteen billion, one hundred thirty million, four hundred forty-five thousand, five hundred twenty".