611115620861351 has 2 divisors, whose sum is σ = 611115620861352. Its totient is φ = 611115620861350.

The previous prime is 611115620861341. The next prime is 611115620861357. The reversal of 611115620861351 is 153168026511116.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611115620861351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611115620861296 and 611115620861305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611115620861357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305557810430675 + 305557810430676.

It is an arithmetic number, because the mean of its divisors is an integer number (305557810430676).

Almost surely, 2^{611115620861351} is an apocalyptic number.

611115620861351 is a deficient number, since it is larger than the sum of its proper divisors (1).

611115620861351 is an equidigital number, since it uses as much as digits as its factorization.

611115620861351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 47.

The spelling of 611115620861351 in words is "six hundred eleven trillion, one hundred fifteen billion, six hundred twenty million, eight hundred sixty-one thousand, three hundred fifty-one".