25246805113 has 4 divisors (see below), whose sum is σ = 25431088500. Its totient is φ = 25062521728.

The previous prime is 25246805083. The next prime is 25246805153. The reversal of 25246805113 is 31150864252.

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 18860078224 + 6386726889 = 137332^2 + 79917^2 .

It is a cyclic number.

It is not a de Polignac number, because 25246805113 - 2⁵ = 25246805081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25246805153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92141488 + ... + 92141761.

It is an arithmetic number, because the mean of its divisors is an integer number (6357772125).

Almost surely, 2^25246805113 is an apocalyptic number.

It is an amenable number.

25246805113 is a deficient number, since it is larger than the sum of its proper divisors (184283387).

25246805113 is a wasteful number, since it uses less digits than its factorization.

25246805113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184283386.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 25246805113 in words is "twenty-five billion, two hundred forty-six million, eight hundred five thousand, one hundred thirteen".