25656344365652 has 48 divisors (see below), whose sum is σ = 60283438518912. Its totient is φ = 9227056913280.

The previous prime is 25656344365649. The next prime is 25656344365657.

It is a happy number.

25656344365652 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25656344365657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3203835203 + ... + 3203843210.

It is an arithmetic number, because the mean of its divisors is an integer number (1255904969144).

Almost surely, 2^{25656344365652} is an apocalyptic number.

25656344365652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25656344365652 is an abundant number, since it is smaller than the sum of its proper divisors (34627094153260).

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

25656344365652 is a wasteful number, since it uses less digits than its factorization.

25656344365652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407678448 (or 6407678446 counting only the distinct ones).

The product of its digits is 466560000, while the sum is 62.

The spelling of 25656344365652 in words is "twenty-five trillion, six hundred fifty-six billion, three hundred forty-four million, three hundred sixty-five thousand, six hundred fifty-two".