611414406511 has 2 divisors, whose sum is σ = 611414406512. Its totient is φ = 611414406510.

The previous prime is 611414406487. The next prime is 611414406517. The reversal of 611414406511 is 115604414116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611414406511 - 2¹¹ = 611414404463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611414406517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305707203255 + 305707203256.

It is an arithmetic number, because the mean of its divisors is an integer number (305707203256).

Almost surely, 2^611414406511 is an apocalyptic number.

611414406511 is a deficient number, since it is larger than the sum of its proper divisors (1).

611414406511 is an equidigital number, since it uses as much as digits as its factorization.

611414406511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 611414406511 in words is "six hundred eleven billion, four hundred fourteen million, four hundred six thousand, five hundred eleven".