5165001091 has 2 divisors, whose sum is σ = 5165001092. Its totient is φ = 5165001090.

The previous prime is 5165001077. The next prime is 5165001151. The reversal of 5165001091 is 1901005615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5165001091 - 2⁹ = 5165000579 is a prime.

It is not a weakly prime, because it can be changed into another prime (5165001991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582500545 + 2582500546.

It is an arithmetic number, because the mean of its divisors is an integer number (2582500546).

Almost surely, 2^5165001091 is an apocalyptic number.

5165001091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5165001091 is an equidigital number, since it uses as much as digits as its factorization.

5165001091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 5165001091 is about 71867.9420256348. The cubic root of 5165001091 is about 1728.5826085229.

The spelling of 5165001091 in words is "five billion, one hundred sixty-five million, one thousand, ninety-one".