15103252143251 has 4 divisors (see below), whose sum is σ = 15109896779112. Its totient is φ = 15096607507392.

The previous prime is 15103252143229. The next prime is 15103252143257. The reversal of 15103252143251 is 15234125230151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15103252143251 - 2²⁶ = 15103185034387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15103252143257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3322314521 + ... + 3322319066.

It is an arithmetic number, because the mean of its divisors is an integer number (3777474194778).

Almost surely, 2^{15103252143251} is an apocalyptic number.

15103252143251 is a deficient number, since it is larger than the sum of its proper divisors (6644635861).

15103252143251 is an equidigital number, since it uses as much as digits as its factorization.

15103252143251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644635860.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 15103252143251 in words is "fifteen trillion, one hundred three billion, two hundred fifty-two million, one hundred forty-three thousand, two hundred fifty-one".