25065039415 has 16 divisors (see below), whose sum is σ = 32403375648. Its totient is φ = 18502920576.

The previous prime is 25065039413. The next prime is 25065039431. The reversal of 25065039415 is 51493056052.

It is a cyclic number.

It is not a de Polignac number, because 25065039415 - 2¹ = 25065039413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25065039413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116977 + ... + 252613.

It is an arithmetic number, because the mean of its divisors is an integer number (2025210978).

Almost surely, 2^25065039415 is an apocalyptic number.

25065039415 is a deficient number, since it is larger than the sum of its proper divisors (7338336233).

25065039415 is a wasteful number, since it uses less digits than its factorization.

25065039415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138498.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 25065039415 in words is "twenty-five billion, sixty-five million, thirty-nine thousand, four hundred fifteen".