26312057153 has 4 divisors (see below), whose sum is σ = 26313243348. Its totient is φ = 26310870960.

The previous prime is 26312057143. The next prime is 26312057257. The reversal of 26312057153 is 35175021362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18444899344 + 7867157809 = 135812^2 + 88697^2 .

It is a cyclic number.

It is not a de Polignac number, because 26312057153 - 2¹⁰ = 26312056129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26312057143) 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, 559178 + ... + 604403.

It is an arithmetic number, because the mean of its divisors is an integer number (6578310837).

Almost surely, 2^26312057153 is an apocalyptic number.

It is an amenable number.

26312057153 is a deficient number, since it is larger than the sum of its proper divisors (1186195).

26312057153 is a wasteful number, since it uses less digits than its factorization.

26312057153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186194.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 26312057153 in words is "twenty-six billion, three hundred twelve million, fifty-seven thousand, one hundred fifty-three".