611244065231 has 2 divisors, whose sum is σ = 611244065232. Its totient is φ = 611244065230.

The previous prime is 611244065207. The next prime is 611244065291. The reversal of 611244065231 is 132560442116.

611244065231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611244065231 is a prime.

It is a super-2 number, since 2×611244065231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 611244065191 and 611244065200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611244065291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305622032615 + 305622032616.

It is an arithmetic number, because the mean of its divisors is an integer number (305622032616).

Almost surely, 2^611244065231 is an apocalyptic number.

611244065231 is a deficient number, since it is larger than the sum of its proper divisors (1).

611244065231 is an equidigital number, since it uses as much as digits as its factorization.

611244065231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 611244065231 in words is "six hundred eleven billion, two hundred forty-four million, sixty-five thousand, two hundred thirty-one".