25343132656 has 40 divisors (see below), whose sum is σ = 49342810608. Its totient is φ = 12609600000.

The previous prime is 25343132609. The next prime is 25343132657. The reversal of 25343132656 is 65623134352.

It is a super-2 number, since 2×25343132656² (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 (25343132657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5945566 + ... + 5949826.

Almost surely, 2^25343132656 is an apocalyptic number.

It is an amenable number.

25343132656 is a deficient number, since it is larger than the sum of its proper divisors (23999677952).

25343132656 is a wasteful number, since it uses less digits than its factorization.

25343132656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001 (or 5995 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

The spelling of 25343132656 in words is "twenty-five billion, three hundred forty-three million, one hundred thirty-two thousand, six hundred fifty-six".