25939895601 has 8 divisors (see below), whose sum is σ = 34596130624. Its totient is φ = 17288462160.

The previous prime is 25939895563. The next prime is 25939895603. The reversal of 25939895601 is 10659893952.

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

It is not a de Polignac number, because 25939895601 - 2¹⁰ = 25939894577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25939895603) 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, 1187770 + ... + 1209411.

It is an arithmetic number, because the mean of its divisors is an integer number (4324516328).

Almost surely, 2^25939895601 is an apocalyptic number.

It is an amenable number.

25939895601 is a deficient number, since it is larger than the sum of its proper divisors (8656235023).

25939895601 is a wasteful number, since it uses less digits than its factorization.

25939895601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400791.

The product of its (nonzero) digits is 5248800, while the sum is 57.

The spelling of 25939895601 in words is "twenty-five billion, nine hundred thirty-nine million, eight hundred ninety-five thousand, six hundred one".