15142342040251 has 8 divisors (see below), whose sum is σ = 15548496687360. Its totient is φ = 14741170885992.

The previous prime is 15142342040237. The next prime is 15142342040303. The reversal of 15142342040251 is 15204024324151.

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

It is a cyclic number.

It is not a de Polignac number, because 15142342040251 - 2³¹ = 15140194556603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15142342041251) 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, 1245867055 + ... + 1245879208.

It is an arithmetic number, because the mean of its divisors is an integer number (1943562085920).

Almost surely, 2^{15142342040251} is an apocalyptic number.

15142342040251 is a deficient number, since it is larger than the sum of its proper divisors (406154647109).

15142342040251 is a wasteful number, since it uses less digits than its factorization.

15142342040251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491746425.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 15142342040251 in words is "fifteen trillion, one hundred forty-two billion, three hundred forty-two million, forty thousand, two hundred fifty-one".