26264715205 has 8 divisors (see below), whose sum is σ = 31823655552. Its totient is φ = 20807773968.

The previous prime is 26264715193. The next prime is 26264715209. The reversal of 26264715205 is 50251746262.

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

It is a cyclic number.

It is not a de Polignac number, because 26264715205 - 2¹¹ = 26264713157 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 (26264715209) 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, 25499209 + ... + 25500238.

It is an arithmetic number, because the mean of its divisors is an integer number (3977956944).

Almost surely, 2^26264715205 is an apocalyptic number.

It is an amenable number.

26264715205 is a deficient number, since it is larger than the sum of its proper divisors (5558940347).

26264715205 is a wasteful number, since it uses less digits than its factorization.

26264715205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50999555.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 26264715205 in words is "twenty-six billion, two hundred sixty-four million, seven hundred fifteen thousand, two hundred five".