25223327455 has 4 divisors (see below), whose sum is σ = 30267992952. Its totient is φ = 20178661960.

The previous prime is 25223327429. The next prime is 25223327491. The reversal of 25223327455 is 55472332252.

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

It is not a de Polignac number, because 25223327455 - 2¹⁵ = 25223294687 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, 2522332741 + ... + 2522332750.

It is an arithmetic number, because the mean of its divisors is an integer number (7566998238).

Almost surely, 2^25223327455 is an apocalyptic number.

25223327455 is a deficient number, since it is larger than the sum of its proper divisors (5044665497).

25223327455 is an equidigital number, since it uses as much as digits as its factorization.

25223327455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044665496.

The product of its digits is 504000, while the sum is 40.

The spelling of 25223327455 in words is "twenty-five billion, two hundred twenty-three million, three hundred twenty-seven thousand, four hundred fifty-five".