611678456231 has 2 divisors, whose sum is σ = 611678456232. Its totient is φ = 611678456230.

The previous prime is 611678456173. The next prime is 611678456287. The reversal of 611678456231 is 132654876116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611678456231 - 2¹⁸ = 611678194087 is a prime.

It is a super-2 number, since 2×611678456231² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 611678456231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611678456731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305839228115 + 305839228116.

It is an arithmetic number, because the mean of its divisors is an integer number (305839228116).

Almost surely, 2^611678456231 is an apocalyptic number.

611678456231 is a deficient number, since it is larger than the sum of its proper divisors (1).

611678456231 is an equidigital number, since it uses as much as digits as its factorization.

611678456231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The spelling of 611678456231 in words is "six hundred eleven billion, six hundred seventy-eight million, four hundred fifty-six thousand, two hundred thirty-one".