25481541415 has 32 divisors (see below), whose sum is σ = 34827190272. Its totient is φ = 17716512000.

The previous prime is 25481541413. The next prime is 25481541419. The reversal of 25481541415 is 51414518452.

It is not a de Polignac number, because 25481541415 - 2¹ = 25481541413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25481541413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2881050 + ... + 2889880.

It is an arithmetic number, because the mean of its divisors is an integer number (1088349696).

Almost surely, 2^25481541415 is an apocalyptic number.

25481541415 is a deficient number, since it is larger than the sum of its proper divisors (9345648857).

25481541415 is a wasteful number, since it uses less digits than its factorization.

25481541415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11151.

The product of its digits is 128000, while the sum is 40.

The spelling of 25481541415 in words is "twenty-five billion, four hundred eighty-one million, five hundred forty-one thousand, four hundred fifteen".