15254131142551 has 4 divisors (see below), whose sum is σ = 17433292734352. Its totient is φ = 13074969550752.

The previous prime is 15254131142543. The next prime is 15254131142561. The reversal of 15254131142551 is 15524113145251.

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 15254131142551 - 2³ = 15254131142543 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 (15254131142561) 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, 1089580795890 + ... + 1089580795903.

It is an arithmetic number, because the mean of its divisors is an integer number (4358323183588).

Almost surely, 2^{15254131142551} is an apocalyptic number.

15254131142551 is a deficient number, since it is larger than the sum of its proper divisors (2179161591801).

15254131142551 is an equidigital number, since it uses as much as digits as its factorization.

15254131142551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179161591800.

The product of its digits is 120000, while the sum is 40.

The spelling of 15254131142551 in words is "fifteen trillion, two hundred fifty-four billion, one hundred thirty-one million, one hundred forty-two thousand, five hundred fifty-one".