26011161 has 12 divisors (see below), whose sum is σ = 40987440. Its totient is φ = 15764280.

The previous prime is 26011159. The next prime is 26011169. The reversal of 26011161 is 16111062.

26011161 is a `hidden beast` number, since 2 + 601 + 1 + 1 + 61 = 666.

It is not a de Polignac number, because 26011161 - 2¹ = 26011159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26011169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131271 + ... + 131468.

It is an arithmetic number, because the mean of its divisors is an integer number (3415620).

Almost surely, 2^26011161 is an apocalyptic number.

It is an amenable number.

26011161 is a deficient number, since it is larger than the sum of its proper divisors (14976279).

26011161 is a wasteful number, since it uses less digits than its factorization.

26011161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262756 (or 262753 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 26011161 is about 5100.1138222593. The cubic root of 26011161 is about 296.2919910569.

Subtracting from 26011161 its reverse (16111062), we obtain a palindrome (9900099).

The spelling of 26011161 in words is "twenty-six million, eleven thousand, one hundred sixty-one".