25407857411 has 2 divisors, whose sum is σ = 25407857412. Its totient is φ = 25407857410.

The previous prime is 25407857401. The next prime is 25407857479. The reversal of 25407857411 is 11475870452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25407857411 - 2⁶ = 25407857347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25407857401) by changing a digit.

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 as a sum of consecutive naturals, namely, 12703928705 + 12703928706.

It is an arithmetic number, because the mean of its divisors is an integer number (12703928706).

Almost surely, 2^25407857411 is an apocalyptic number.

25407857411 is a deficient number, since it is larger than the sum of its proper divisors (1).

25407857411 is an equidigital number, since it uses as much as digits as its factorization.

25407857411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 313600, while the sum is 44.

The spelling of 25407857411 in words is "twenty-five billion, four hundred seven million, eight hundred fifty-seven thousand, four hundred eleven".