15354425451 has 4 divisors (see below), whose sum is σ = 20472567272. Its totient is φ = 10236283632.

The previous prime is 15354425447. The next prime is 15354425453. The reversal of 15354425451 is 15452445351.

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

It is not a de Polignac number, because 15354425451 - 2² = 15354425447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15354425453) 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, 2559070906 + ... + 2559070911.

It is an arithmetic number, because the mean of its divisors is an integer number (5118141818).

Almost surely, 2^15354425451 is an apocalyptic number.

15354425451 is a deficient number, since it is larger than the sum of its proper divisors (5118141821).

15354425451 is an equidigital number, since it uses as much as digits as its factorization.

15354425451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118141820.

The product of its digits is 240000, while the sum is 39.

The spelling of 15354425451 in words is "fifteen billion, three hundred fifty-four million, four hundred twenty-five thousand, four hundred fifty-one".