25121400119 has 2 divisors, whose sum is σ = 25121400120. Its totient is φ = 25121400118.

The previous prime is 25121400113. The next prime is 25121400121. The reversal of 25121400119 is 91100412152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25121400119 is a prime.

It is a super-2 number, since 2×25121400119² (a number of 22 digits) contains 22 as substring.

Together with 25121400121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25121400113) 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 as a sum of consecutive naturals, namely, 12560700059 + 12560700060.

It is an arithmetic number, because the mean of its divisors is an integer number (12560700060).

Almost surely, 2^25121400119 is an apocalyptic number.

25121400119 is a deficient number, since it is larger than the sum of its proper divisors (1).

25121400119 is an equidigital number, since it uses as much as digits as its factorization.

25121400119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 25121400119 in words is "twenty-five billion, one hundred twenty-one million, four hundred thousand, one hundred nineteen".