26279252725 has 12 divisors (see below), whose sum is σ = 35548662240. Its totient is φ = 19112183600.

The previous prime is 26279252723. The next prime is 26279252861. The reversal of 26279252725 is 52725297262.

It is not a de Polignac number, because 26279252725 - 2¹ = 26279252723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26279252723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47780185 + ... + 47780734.

It is an arithmetic number, because the mean of its divisors is an integer number (2962388520).

Almost surely, 2^26279252725 is an apocalyptic number.

26279252725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26279252725 is a deficient number, since it is larger than the sum of its proper divisors (9269409515).

26279252725 is a wasteful number, since it uses less digits than its factorization.

26279252725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95560940 (or 95560935 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The spelling of 26279252725 in words is "twenty-six billion, two hundred seventy-nine million, two hundred fifty-two thousand, seven hundred twenty-five".