25312445514 has 16 divisors (see below), whose sum is σ = 56249879040. Its totient is φ = 8437481820.

The previous prime is 25312445491. The next prime is 25312445527. The reversal of 25312445514 is 41554421352.

25312445514 is a `hidden beast` number, since 2 + 53 + 12 + 44 + 551 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234374442 + ... + 234374549.

It is an arithmetic number, because the mean of its divisors is an integer number (3515617440).

Almost surely, 2^25312445514 is an apocalyptic number.

25312445514 is an abundant number, since it is smaller than the sum of its proper divisors (30937433526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25312445514 is a wasteful number, since it uses less digits than its factorization.

25312445514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468749002 (or 468748996 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 25312445514 its reverse (41554421352), we get a palindrome (66866866866).

The spelling of 25312445514 in words is "twenty-five billion, three hundred twelve million, four hundred forty-five thousand, five hundred fourteen".