25276527640139 has 16 divisors (see below), whose sum is σ = 26868805252128. Its totient is φ = 23695972564992.

The previous prime is 25276527640081. The next prime is 25276527640151. The reversal of 25276527640139 is 93104672567252.

It is a cyclic number.

It is not a de Polignac number, because 25276527640139 - 2²⁴ = 25276510862923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25276527642139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99385712 + ... + 99639714.

It is an arithmetic number, because the mean of its divisors is an integer number (1679300328258).

Almost surely, 2^{25276527640139} is an apocalyptic number.

25276527640139 is a deficient number, since it is larger than the sum of its proper divisors (1592277611989).

25276527640139 is a wasteful number, since it uses less digits than its factorization.

25276527640139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277054.

The product of its (nonzero) digits is 38102400, while the sum is 59.

The spelling of 25276527640139 in words is "twenty-five trillion, two hundred seventy-six billion, five hundred twenty-seven million, six hundred forty thousand, one hundred thirty-nine".