15201005100 has 144 divisors (see below), whose sum is σ = 46583268480. Its totient is φ = 3816460800.

The previous prime is 15201005069. The next prime is 15201005137. The reversal of 15201005100 is 150010251.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 15201005100.

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, 920920 + ... + 937280.

It is an arithmetic number, because the mean of its divisors is an integer number (323494920).

Almost surely, 2^15201005100 is an apocalyptic number.

15201005100 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 15201005100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23291634240).

15201005100 is an abundant number, since it is smaller than the sum of its proper divisors (31382263380).

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

15201005100 is a wasteful number, since it uses less digits than its factorization.

15201005100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16560 (or 16553 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

Adding to 15201005100 its reverse (150010251), we get a palindrome (15351015351).

The spelling of 15201005100 in words is "fifteen billion, two hundred one million, five thousand, one hundred".