25651454151 has 4 divisors (see below), whose sum is σ = 34201938872. Its totient is φ = 17100969432.

The previous prime is 25651454141. The next prime is 25651454189. The reversal of 25651454151 is 15145415652.

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

It is not a de Polignac number, because 25651454151 - 2¹⁰ = 25651453127 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 (25651454111) 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, 4275242356 + ... + 4275242361.

It is an arithmetic number, because the mean of its divisors is an integer number (8550484718).

Almost surely, 2^25651454151 is an apocalyptic number.

25651454151 is a deficient number, since it is larger than the sum of its proper divisors (8550484721).

25651454151 is an equidigital number, since it uses as much as digits as its factorization.

25651454151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550484720.

The product of its digits is 120000, while the sum is 39.

The spelling of 25651454151 in words is "twenty-five billion, six hundred fifty-one million, four hundred fifty-four thousand, one hundred fifty-one".