25255265271656 has 32 divisors (see below), whose sum is σ = 55984578192000. Its totient is φ = 10450454594496.

The previous prime is 25255265271647. The next prime is 25255265271697. The reversal of 25255265271656 is 65617256255252.

It is a super-3 number, since 3×25255265271656³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 25255265271595 and 25255265271604.

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, 7775634236 + ... + 7775637483.

It is an arithmetic number, because the mean of its divisors is an integer number (1749518068500).

Almost surely, 2^{25255265271656} is an apocalyptic number.

It is an amenable number.

25255265271656 is an abundant number, since it is smaller than the sum of its proper divisors (30729312920344).

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

25255265271656 is a wasteful number, since it uses less digits than its factorization.

25255265271656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15551271761 (or 15551271757 counting only the distinct ones).

The product of its digits is 75600000, while the sum is 59.

The spelling of 25255265271656 in words is "twenty-five trillion, two hundred fifty-five billion, two hundred sixty-five million, two hundred seventy-one thousand, six hundred fifty-six".