26165631011 has 6 divisors (see below), whose sum is σ = 28333198260. Its totient is φ = 24152890008.

The previous prime is 26165630999. The next prime is 26165631047. The reversal of 26165631011 is 11013656162.

It is not a de Polignac number, because 26165631011 - 2⁶ = 26165630947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26165631511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77412941 + ... + 77413278.

It is an arithmetic number, because the mean of its divisors is an integer number (4722199710).

Almost surely, 2^26165631011 is an apocalyptic number.

26165631011 is a deficient number, since it is larger than the sum of its proper divisors (2167567249).

26165631011 is a wasteful number, since it uses less digits than its factorization.

26165631011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154826245 (or 154826232 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 26165631011 in words is "twenty-six billion, one hundred sixty-five million, six hundred thirty-one thousand, eleven".