26213023132065 has 128 divisors (see below), whose sum is σ = 58400900812800. Its totient is φ = 10837278904320.

The previous prime is 26213023132061. The next prime is 26213023132081. The reversal of 26213023132065 is 56023132031262.

26213023132065 is a `hidden beast` number, since 2 + 6 + 2 + 130 + 2 + 313 + 206 + 5 = 666.

It is not a de Polignac number, because 26213023132065 - 2² = 26213023132061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26213023132061) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4526655 + ... + 8539124.

It is an arithmetic number, because the mean of its divisors is an integer number (456257037600).

Almost surely, 2^{26213023132065} is an apocalyptic number.

It is an amenable number.

26213023132065 is an abundant number, since it is smaller than the sum of its proper divisors (32187877680735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26213023132065 is a wasteful number, since it uses less digits than its factorization.

26213023132065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13066004 (or 13065998 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 26213023132065 in words is "twenty-six trillion, two hundred thirteen billion, twenty-three million, one hundred thirty-two thousand, sixty-five".