25765240233601 has 4 divisors (see below), whose sum is σ = 28107534800304. Its totient is φ = 23422945666900.

The previous prime is 25765240233553. The next prime is 25765240233613. The reversal of 25765240233601 is 10633204256752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25765240233601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25765240233631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1171147283335 + ... + 1171147283356.

It is an arithmetic number, because the mean of its divisors is an integer number (7026883700076).

Almost surely, 2^{25765240233601} is an apocalyptic number.

It is an amenable number.

25765240233601 is a deficient number, since it is larger than the sum of its proper divisors (2342294566703).

25765240233601 is a wasteful number, since it uses less digits than its factorization.

25765240233601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342294566702.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 25765240233601 in words is "twenty-five trillion, seven hundred sixty-five billion, two hundred forty million, two hundred thirty-three thousand, six hundred one".