26164155101 has 12 divisors (see below), whose sum is σ = 30438720252. Its totient is φ = 22424306688.

The previous prime is 26164155091. The next prime is 26164155109. The reversal of 26164155101 is 10155146162.

It can be written as a sum of positive squares in 2 ways, for example, as 4178976025 + 21985179076 = 64645^2 + 148274^2 .

It is not a de Polignac number, because 26164155101 - 2³⁰ = 25090413277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26164155109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 728891 + ... + 763943.

It is an arithmetic number, because the mean of its divisors is an integer number (2536560021).

Almost surely, 2^26164155101 is an apocalyptic number.

It is an amenable number.

26164155101 is a deficient number, since it is larger than the sum of its proper divisors (4274565151).

26164155101 is a wasteful number, since it uses less digits than its factorization.

26164155101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50300 (or 50293 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 26164155101 in words is "twenty-six billion, one hundred sixty-four million, one hundred fifty-five thousand, one hundred one".