5157106891 has 2 divisors, whose sum is σ = 5157106892. Its totient is φ = 5157106890.

The previous prime is 5157106883. The next prime is 5157106909. The reversal of 5157106891 is 1986017515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5157106891 - 2³ = 5157106883 is a prime.

It is not a weakly prime, because it can be changed into another prime (5157106291) 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, 2578553445 + 2578553446.

It is an arithmetic number, because the mean of its divisors is an integer number (2578553446).

Almost surely, 2^5157106891 is an apocalyptic number.

5157106891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157106891 is an equidigital number, since it uses as much as digits as its factorization.

5157106891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 43.

The square root of 5157106891 is about 71812.9994569228. Note that the first 3 decimals coincide. The cubic root of 5157106891 is about 1727.7015028803.

The spelling of 5157106891 in words is "five billion, one hundred fifty-seven million, one hundred six thousand, eight hundred ninety-one".