26011601156 has 12 divisors (see below), whose sum is σ = 47089967820. Its totient is φ = 12557324640.

The previous prime is 26011601093. The next prime is 26011601159. The reversal of 26011601156 is 65110611062.

It can be written as a sum of positive squares in 2 ways, for example, as 11563561156 + 14448040000 = 107534^2 + 120200^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (26011601159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112118855 + ... + 112119086.

It is an arithmetic number, because the mean of its divisors is an integer number (3924163985).

Almost surely, 2^26011601156 is an apocalyptic number.

It is an amenable number.

26011601156 is a deficient number, since it is larger than the sum of its proper divisors (21078366664).

26011601156 is a wasteful number, since it uses less digits than its factorization.

26011601156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224237974 (or 224237972 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 26011601156 in words is "twenty-six billion, eleven million, six hundred one thousand, one hundred fifty-six".