25615053419 has 2 divisors, whose sum is σ = 25615053420. Its totient is φ = 25615053418.

The previous prime is 25615053397. The next prime is 25615053479. The reversal of 25615053419 is 91435051652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25615053419 - 2²⁴ = 25598276203 is a prime.

It is a super-2 number, since 2×25615053419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25615053479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12807526709 + 12807526710.

It is an arithmetic number, because the mean of its divisors is an integer number (12807526710).

Almost surely, 2^25615053419 is an apocalyptic number.

25615053419 is a deficient number, since it is larger than the sum of its proper divisors (1).

25615053419 is an equidigital number, since it uses as much as digits as its factorization.

25615053419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 25615053419 in words is "twenty-five billion, six hundred fifteen million, fifty-three thousand, four hundred nineteen".