15012103134 has 64 divisors (see below), whose sum is σ = 34954905600. Its totient is φ = 4209232608.

The previous prime is 15012103123. The next prime is 15012103159. The reversal of 15012103134 is 43130121051.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 15012103134.

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, 1528989 + ... + 1538775.

It is an arithmetic number, because the mean of its divisors is an integer number (546170400).

Almost surely, 2^15012103134 is an apocalyptic number.

15012103134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15012103134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17477452800).

15012103134 is an abundant number, since it is smaller than the sum of its proper divisors (19942802466).

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

15012103134 is a wasteful number, since it uses less digits than its factorization.

15012103134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10477.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 15012103134 its reverse (43130121051), we get a palindrome (58142224185).

The spelling of 15012103134 in words is "fifteen billion, twelve million, one hundred three thousand, one hundred thirty-four".