25115651003 has 2 divisors, whose sum is σ = 25115651004. Its totient is φ = 25115651002.

The previous prime is 25115650997. The next prime is 25115651017. The reversal of 25115651003 is 30015651152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25115651003 - 2⁶ = 25115650939 is a prime.

It is not a weakly prime, because it can be changed into another prime (25115651203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12557825501 + 12557825502.

It is an arithmetic number, because the mean of its divisors is an integer number (12557825502).

Almost surely, 2^25115651003 is an apocalyptic number.

25115651003 is a deficient number, since it is larger than the sum of its proper divisors (1).

25115651003 is an equidigital number, since it uses as much as digits as its factorization.

25115651003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 25115651003 in words is "twenty-five billion, one hundred fifteen million, six hundred fifty-one thousand, three".