5115911 has 2 divisors, whose sum is σ = 5115912. Its totient is φ = 5115910.

The previous prime is 5115881. The next prime is 5115917. The reversal of 5115911 is 1195115.

5115911 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5115911 - 2¹⁴ = 5099527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5115917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2557955 + 2557956.

It is an arithmetic number, because the mean of its divisors is an integer number (2557956).

Almost surely, 2^5115911 is an apocalyptic number.

5115911 is a deficient number, since it is larger than the sum of its proper divisors (1).

5115911 is an equidigital number, since it uses as much as digits as its factorization.

5115911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225, while the sum is 23.

The square root of 5115911 is about 2261.8379694399. The cubic root of 5115911 is about 172.3088802564.

The spelling of 5115911 in words is "five million, one hundred fifteen thousand, nine hundred eleven".