25120761103 has 2 divisors, whose sum is σ = 25120761104. Its totient is φ = 25120761102.

The previous prime is 25120761067. The next prime is 25120761187. The reversal of 25120761103 is 30116702152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25120761103 - 2²⁵ = 25087206671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25120761803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12560380551 + 12560380552.

It is an arithmetic number, because the mean of its divisors is an integer number (12560380552).

Almost surely, 2^25120761103 is an apocalyptic number.

25120761103 is a deficient number, since it is larger than the sum of its proper divisors (1).

25120761103 is an equidigital number, since it uses as much as digits as its factorization.

25120761103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 25120761103 in words is "twenty-five billion, one hundred twenty million, seven hundred sixty-one thousand, one hundred three".