15105200013021 has 8 divisors (see below), whose sum is σ = 20440867679584. Its totient is φ = 9919832844240.

The previous prime is 15105200013011. The next prime is 15105200013041. The reversal of 15105200013021 is 12031000250151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15105200013021 - 2³⁵ = 15070840274653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15105200013011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37575124210 + ... + 37575124611.

It is an arithmetic number, because the mean of its divisors is an integer number (2555108459948).

Almost surely, 2^{15105200013021} is an apocalyptic number.

It is an amenable number.

15105200013021 is a deficient number, since it is larger than the sum of its proper divisors (5335667666563).

15105200013021 is an equidigital number, since it uses as much as digits as its factorization.

15105200013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75150248891.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 15105200013021 its reverse (12031000250151), we get a palindrome (27136200263172).

The spelling of 15105200013021 in words is "fifteen trillion, one hundred five billion, two hundred million, thirteen thousand, twenty-one".