25330315051 has 4 divisors (see below), whose sum is σ = 25331311192. Its totient is φ = 25329318912.

The previous prime is 25330315039. The next prime is 25330315079. The reversal of 25330315051 is 15051303352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25330315051 - 2⁵ = 25330315019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25330315091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458901 + ... + 511126.

It is an arithmetic number, because the mean of its divisors is an integer number (6332827798).

Almost surely, 2^25330315051 is an apocalyptic number.

25330315051 is a deficient number, since it is larger than the sum of its proper divisors (996141).

25330315051 is an equidigital number, since it uses as much as digits as its factorization.

25330315051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996140.

The product of its (nonzero) digits is 6750, while the sum is 28.

The spelling of 25330315051 in words is "twenty-five billion, three hundred thirty million, three hundred fifteen thousand, fifty-one".