612136711 has 2 divisors, whose sum is σ = 612136712. Its totient is φ = 612136710.

The previous prime is 612136667. The next prime is 612136747. The reversal of 612136711 is 117631216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612136711 - 2⁷ = 612136583 is a prime.

It is a super-2 number, since 2×612136711² = 749422705907795042, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612136711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612136781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306068355 + 306068356.

It is an arithmetic number, because the mean of its divisors is an integer number (306068356).

Almost surely, 2^612136711 is an apocalyptic number.

612136711 is a deficient number, since it is larger than the sum of its proper divisors (1).

612136711 is an equidigital number, since it uses as much as digits as its factorization.

612136711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 28.

The square root of 612136711 is about 24741.3967067342. The cubic root of 612136711 is about 849.0816892147.

Adding to 612136711 its reverse (117631216), we get a palindrome (729767927).

The spelling of 612136711 in words is "six hundred twelve million, one hundred thirty-six thousand, seven hundred eleven".