51025140679 has 2 divisors, whose sum is σ = 51025140680. Its totient is φ = 51025140678.

The previous prime is 51025140629. The next prime is 51025140767. The reversal of 51025140679 is 97604152015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51025140679 - 2²³ = 51016752071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51025140619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25512570339 + 25512570340.

It is an arithmetic number, because the mean of its divisors is an integer number (25512570340).

Almost surely, 2^51025140679 is an apocalyptic number.

51025140679 is a deficient number, since it is larger than the sum of its proper divisors (1).

51025140679 is an equidigital number, since it uses as much as digits as its factorization.

51025140679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 51025140679 in words is "fifty-one billion, twenty-five million, one hundred forty thousand, six hundred seventy-nine".