25141615619 has 2 divisors, whose sum is σ = 25141615620. Its totient is φ = 25141615618.

The previous prime is 25141615601. The next prime is 25141615637. The reversal of 25141615619 is 91651614152.

It is a balanced prime because it is at equal distance from previous prime (25141615601) and next prime (25141615637).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25141615619 is a prime.

It is a super-2 number, since 2×25141615619² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25141615669) 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, 12570807809 + 12570807810.

It is an arithmetic number, because the mean of its divisors is an integer number (12570807810).

Almost surely, 2^25141615619 is an apocalyptic number.

25141615619 is a deficient number, since it is larger than the sum of its proper divisors (1).

25141615619 is an equidigital number, since it uses as much as digits as its factorization.

25141615619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 41.

The spelling of 25141615619 in words is "twenty-five billion, one hundred forty-one million, six hundred fifteen thousand, six hundred nineteen".