25025450455 has 8 divisors (see below), whose sum is σ = 30035592432. Its totient is φ = 20016992448.

The previous prime is 25025450441. The next prime is 25025450467. The reversal of 25025450455 is 55405452052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25025450455 - 2¹¹ = 25025448407 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 7 ways as a sum of consecutive naturals, for example, 388062 + ... + 447931.

It is an arithmetic number, because the mean of its divisors is an integer number (3754449054).

Almost surely, 2^25025450455 is an apocalyptic number.

25025450455 is a deficient number, since it is larger than the sum of its proper divisors (5010141977).

25025450455 is an equidigital number, since it uses as much as digits as its factorization.

25025450455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841985.

The product of its (nonzero) digits is 200000, while the sum is 37.

The spelling of 25025450455 in words is "twenty-five billion, twenty-five million, four hundred fifty thousand, four hundred fifty-five".