15252103100 has 72 divisors (see below), whose sum is σ = 35924034048. Its totient is φ = 5587142400.

The previous prime is 15252103099. The next prime is 15252103117. The reversal of 15252103100 is 130125251.

It is a happy number.

It is a super-2 number, since 2×15252103100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118910 + ... + 211290.

Almost surely, 2^15252103100 is an apocalyptic number.

15252103100 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 15252103100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17962017024).

15252103100 is an abundant number, since it is smaller than the sum of its proper divisors (20671930948).

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

15252103100 is a wasteful number, since it uses less digits than its factorization.

15252103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92535 (or 92528 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 15252103100 its reverse (130125251), we get a palindrome (15382228351).

The spelling of 15252103100 in words is "fifteen billion, two hundred fifty-two million, one hundred three thousand, one hundred".