25860683081 has 8 divisors (see below), whose sum is σ = 25963991424. Its totient is φ = 25757477680.

The previous prime is 25860682987. The next prime is 25860683119. The reversal of 25860683081 is 18038606852.

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-25860683081 is a prime.

It is a super-2 number, since 2×25860683081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25860283081) 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, 498896 + ... + 548286.

It is an arithmetic number, because the mean of its divisors is an integer number (3245498928).

Almost surely, 2^25860683081 is an apocalyptic number.

It is an amenable number.

25860683081 is a deficient number, since it is larger than the sum of its proper divisors (103308343).

25860683081 is a wasteful number, since it uses less digits than its factorization.

25860683081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51471.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 25860683081 in words is "twenty-five billion, eight hundred sixty million, six hundred eighty-three thousand, eighty-one".