26461272265 has 8 divisors (see below), whose sum is σ = 31853697480. Its totient is φ = 21102237312.

The previous prime is 26461272251. The next prime is 26461272283. The reversal of 26461272265 is 56227216462.

It can be written as a sum of positive squares in 4 ways, for example, as 690428176 + 25770844089 = 26276^2 + 160533^2 .

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 26461272265 - 2¹⁷ = 26461141193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8345820 + ... + 8348989.

It is an arithmetic number, because the mean of its divisors is an integer number (3981712185).

Almost surely, 2^26461272265 is an apocalyptic number.

It is an amenable number.

26461272265 is a deficient number, since it is larger than the sum of its proper divisors (5392425215).

26461272265 is a wasteful number, since it uses less digits than its factorization.

26461272265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16695131.

The product of its digits is 483840, while the sum is 43.

The spelling of 26461272265 in words is "twenty-six billion, four hundred sixty-one million, two hundred seventy-two thousand, two hundred sixty-five".