25986611073 has 16 divisors (see below), whose sum is σ = 35847789120. Its totient is φ = 16725059904.

The previous prime is 25986611033. The next prime is 25986611081. The reversal of 25986611073 is 37011668952.

It is not a de Polignac number, because 25986611073 - 2⁹ = 25986610561 is a prime.

It is a super-2 number, since 2×25986611073² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25986611003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299690 + ... + 1319532.

It is an arithmetic number, because the mean of its divisors is an integer number (2240486820).

Almost surely, 2^25986611073 is an apocalyptic number.

It is an amenable number.

25986611073 is a deficient number, since it is larger than the sum of its proper divisors (9861178047).

25986611073 is a wasteful number, since it uses less digits than its factorization.

25986611073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34928.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 25986611073 in words is "twenty-five billion, nine hundred eighty-six million, six hundred eleven thousand, seventy-three".