26071163779091 has 32 divisors (see below), whose sum is σ = 28503855072000. Its totient is φ = 23767754479488.

The previous prime is 26071163779081. The next prime is 26071163779093. The reversal of 26071163779091 is 19097736117062.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26071163779091 - 2¹⁰ = 26071163778067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26071163779091.

It is not an unprimeable number, because it can be changed into a prime (26071163779093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8856341 + ... + 11427033.

It is an arithmetic number, because the mean of its divisors is an integer number (890745471000).

Almost surely, 2^{26071163779091} is an apocalyptic number.

26071163779091 is a deficient number, since it is larger than the sum of its proper divisors (2432691292909).

26071163779091 is a wasteful number, since it uses less digits than its factorization.

26071163779091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570963.

The product of its (nonzero) digits is 6001128, while the sum is 59.

The spelling of 26071163779091 in words is "twenty-six trillion, seventy-one billion, one hundred sixty-three million, seven hundred seventy-nine thousand, ninety-one".