611111325893951 has 2 divisors, whose sum is σ = 611111325893952. Its totient is φ = 611111325893950.

The previous prime is 611111325893917. The next prime is 611111325893953. The reversal of 611111325893951 is 159398523111116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611111325893951 - 2⁴⁶ = 540742581716287 is a prime.

Together with 611111325893953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611111325893953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305555662946975 + 305555662946976.

It is an arithmetic number, because the mean of its divisors is an integer number (305555662946976).

Almost surely, 2^{611111325893951} is an apocalyptic number.

611111325893951 is a deficient number, since it is larger than the sum of its proper divisors (1).

611111325893951 is an equidigital number, since it uses as much as digits as its factorization.

611111325893951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1749600, while the sum is 56.

The spelling of 611111325893951 in words is "six hundred eleven trillion, one hundred eleven billion, three hundred twenty-five million, eight hundred ninety-three thousand, nine hundred fifty-one".