25983655751 has 8 divisors (see below), whose sum is σ = 27514999680. Its totient is φ = 24468690168.

The previous prime is 25983655739. The next prime is 25983655781. The reversal of 25983655751 is 15755638952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25983655751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25983655781) 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, 4091321 + ... + 4097666.

It is an arithmetic number, because the mean of its divisors is an integer number (3439374960).

Almost surely, 2^25983655751 is an apocalyptic number.

25983655751 is a deficient number, since it is larger than the sum of its proper divisors (1531343929).

25983655751 is a wasteful number, since it uses less digits than its factorization.

25983655751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189173.

The product of its digits is 11340000, while the sum is 56.

The spelling of 25983655751 in words is "twenty-five billion, nine hundred eighty-three million, six hundred fifty-five thousand, seven hundred fifty-one".