25253154455 has 4 divisors (see below), whose sum is σ = 30303785352. Its totient is φ = 20202523560.

The previous prime is 25253154449. The next prime is 25253154463. The reversal of 25253154455 is 55445135252.

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

It is not a de Polignac number, because 25253154455 - 2⁴ = 25253154439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525315441 + ... + 2525315450.

It is an arithmetic number, because the mean of its divisors is an integer number (7575946338).

Almost surely, 2^25253154455 is an apocalyptic number.

25253154455 is a deficient number, since it is larger than the sum of its proper divisors (5050630897).

25253154455 is an equidigital number, since it uses as much as digits as its factorization.

25253154455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050630896.

The product of its digits is 600000, while the sum is 41.

The spelling of 25253154455 in words is "twenty-five billion, two hundred fifty-three million, one hundred fifty-four thousand, four hundred fifty-five".