26575315457 has 4 divisors (see below), whose sum is σ = 26585735616. Its totient is φ = 26564895300.

The previous prime is 26575315381. The next prime is 26575315469. The reversal of 26575315457 is 75451357562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26575315457 - 2¹⁰ = 26575314433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26575315057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5206253 + ... + 5211354.

It is an arithmetic number, because the mean of its divisors is an integer number (6646433904).

Almost surely, 2^26575315457 is an apocalyptic number.

It is an amenable number.

26575315457 is a deficient number, since it is larger than the sum of its proper divisors (10420159).

26575315457 is a wasteful number, since it uses less digits than its factorization.

26575315457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10420158.

The product of its digits is 4410000, while the sum is 50.

The spelling of 26575315457 in words is "twenty-six billion, five hundred seventy-five million, three hundred fifteen thousand, four hundred fifty-seven".