25170455223 has 12 divisors (see below), whose sum is σ = 36383822280. Its totient is φ = 16768073616.

The previous prime is 25170455179. The next prime is 25170455249. The reversal of 25170455223 is 32255407152.

25170455223 is a `hidden beast` number, since 25 + 1 + 70 + 45 + 522 + 3 = 666.

It is not a de Polignac number, because 25170455223 - 2²¹ = 25168358071 is a prime.

It is a super-2 number, since 2×25170455223² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25170453223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1006113 + ... + 1030826.

It is an arithmetic number, because the mean of its divisors is an integer number (3031985190).

Almost surely, 2^25170455223 is an apocalyptic number.

25170455223 is a deficient number, since it is larger than the sum of its proper divisors (11213367057).

25170455223 is a wasteful number, since it uses less digits than its factorization.

25170455223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038318 (or 2038315 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 25170455223 in words is "twenty-five billion, one hundred seventy million, four hundred fifty-five thousand, two hundred twenty-three".