15115250234100 has 144 divisors (see below), whose sum is σ = 43908843154176. Its totient is φ = 4014581760000.

The previous prime is 15115250234069. The next prime is 15115250234111. The reversal of 15115250234100 is 143205251151.

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 47 ways as a sum of consecutive naturals, for example, 192754900 + ... + 192833300.

It is an arithmetic number, because the mean of its divisors is an integer number (304922521904).

Almost surely, 2^{15115250234100} is an apocalyptic number.

15115250234100 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 15115250234100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21954421577088).

15115250234100 is an abundant number, since it is smaller than the sum of its proper divisors (28793592920076).

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

15115250234100 is a wasteful number, since it uses less digits than its factorization.

15115250234100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80986 (or 80979 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 15115250234100 its reverse (143205251151), we get a palindrome (15258455485251).

The spelling of 15115250234100 in words is "fifteen trillion, one hundred fifteen billion, two hundred fifty million, two hundred thirty-four thousand, one hundred".