25115651303 has 4 divisors (see below), whose sum is σ = 25115969208. Its totient is φ = 25115333400.

The previous prime is 25115651293. The next prime is 25115651317. The reversal of 25115651303 is 30315651152.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25115651303 - 2⁴ = 25115651287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25115651303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25115651003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61100 + ... + 232302.

It is an arithmetic number, because the mean of its divisors is an integer number (6278992302).

Almost surely, 2^25115651303 is an apocalyptic number.

25115651303 is a deficient number, since it is larger than the sum of its proper divisors (317905).

25115651303 is a wasteful number, since it uses less digits than its factorization.

25115651303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317904.

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 25115651303 in words is "twenty-five billion, one hundred fifteen million, six hundred fifty-one thousand, three hundred three".