25124441051 has 2 divisors, whose sum is σ = 25124441052. Its totient is φ = 25124441050.

The previous prime is 25124441011. The next prime is 25124441081. The reversal of 25124441051 is 15014442152.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25124441051 - 2¹⁰ = 25124440027 is a prime.

It is not a weakly prime, because it can be changed into another prime (25124441011) 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, 12562220525 + 12562220526.

It is an arithmetic number, because the mean of its divisors is an integer number (12562220526).

Almost surely, 2^25124441051 is an apocalyptic number.

25124441051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25124441051 is an equidigital number, since it uses as much as digits as its factorization.

25124441051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 25124441051 in words is "twenty-five billion, one hundred twenty-four million, four hundred forty-one thousand, fifty-one".