15340132453251 has 4 divisors (see below), whose sum is σ = 20453509937672. Its totient is φ = 10226754968832.

The previous prime is 15340132453241. The next prime is 15340132453279. The reversal of 15340132453251 is 15235423104351.

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

It is not a de Polignac number, because 15340132453251 - 2⁷ = 15340132453123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15340132453201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556688742206 + ... + 2556688742211.

It is an arithmetic number, because the mean of its divisors is an integer number (5113377484418).

Almost surely, 2^{15340132453251} is an apocalyptic number.

15340132453251 is a deficient number, since it is larger than the sum of its proper divisors (5113377484421).

15340132453251 is an equidigital number, since it uses as much as digits as its factorization.

15340132453251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113377484420.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 15340132453251 in words is "fifteen trillion, three hundred forty billion, one hundred thirty-two million, four hundred fifty-three thousand, two hundred fifty-one".