26112564517 has 8 divisors (see below), whose sum is σ = 28139709024. Its totient is φ = 24088060848.

The previous prime is 26112564487. The next prime is 26112564589. The reversal of 26112564517 is 71546521162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26112564517 is a prime.

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 26112564517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26112514517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639643 + ... + 679240.

It is an arithmetic number, because the mean of its divisors is an integer number (3517463628).

Almost surely, 2^26112564517 is an apocalyptic number.

It is an amenable number.

26112564517 is a deficient number, since it is larger than the sum of its proper divisors (2027144507).

26112564517 is a wasteful number, since it uses less digits than its factorization.

26112564517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320419.

The product of its digits is 100800, while the sum is 40.

The spelling of 26112564517 in words is "twenty-six billion, one hundred twelve million, five hundred sixty-four thousand, five hundred seventeen".