25113027877 has 12 divisors (see below), whose sum is σ = 29218125900. Its totient is φ = 21521759616.

The previous prime is 25113027803. The next prime is 25113027887. The reversal of 25113027877 is 77872031152.

It can be written as a sum of positive squares in 2 ways, for example, as 23239782916 + 1873244961 = 152446^2 + 43281^2 .

It is not a de Polignac number, because 25113027877 - 2²³ = 25104639269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25113027887) 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, 266749 + ... + 348397.

It is an arithmetic number, because the mean of its divisors is an integer number (2434843825).

Almost surely, 2^25113027877 is an apocalyptic number.

It is an amenable number.

25113027877 is a deficient number, since it is larger than the sum of its proper divisors (4105098023).

25113027877 is an equidigital number, since it uses as much as digits as its factorization.

25113027877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87940 (or 87933 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 25113027877 in words is "twenty-five billion, one hundred thirteen million, twenty-seven thousand, eight hundred seventy-seven".