25227766145560 has 32 divisors (see below), whose sum is σ = 61922698722000. Its totient is φ = 9173733143680.

The previous prime is 25227766145521. The next prime is 25227766145567. The reversal of 25227766145560 is 6554166772252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25227766145495 and 25227766145504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25227766145567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28667915635 + ... + 28667916514.

Almost surely, 2^{25227766145560} is an apocalyptic number.

25227766145560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25227766145560 is an abundant number, since it is smaller than the sum of its proper divisors (36694932576440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25227766145560 is a wasteful number, since it uses less digits than its factorization.

25227766145560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57335832171 (or 57335832167 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 58.

The spelling of 25227766145560 in words is "twenty-five trillion, two hundred twenty-seven billion, seven hundred sixty-six million, one hundred forty-five thousand, five hundred sixty".