26331251053 has 4 divisors (see below), whose sum is σ = 26331611040. Its totient is φ = 26330891068.

The previous prime is 26331251039. The next prime is 26331251071. The reversal of 26331251053 is 35015213362.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26331251053 is a prime.

It is a super-2 number, since 2×26331251053² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26331251153) 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, 26833 + ... + 231046.

It is an arithmetic number, because the mean of its divisors is an integer number (6582902760).

Almost surely, 2^26331251053 is an apocalyptic number.

It is an amenable number.

26331251053 is a deficient number, since it is larger than the sum of its proper divisors (359987).

26331251053 is a wasteful number, since it uses less digits than its factorization.

26331251053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359986.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 26331251053 in words is "twenty-six billion, three hundred thirty-one million, two hundred fifty-one thousand, fifty-three".