611201002051 has 2 divisors, whose sum is σ = 611201002052. Its totient is φ = 611201002050.

The previous prime is 611201002039. The next prime is 611201002079. The reversal of 611201002051 is 150200102116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 611201002051 - 2⁹ = 611201001539 is a prime.

It is not a weakly prime, because it can be changed into another prime (611201002001) 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, 305600501025 + 305600501026.

It is an arithmetic number, because the mean of its divisors is an integer number (305600501026).

Almost surely, 2^611201002051 is an apocalyptic number.

611201002051 is a deficient number, since it is larger than the sum of its proper divisors (1).

611201002051 is an equidigital number, since it uses as much as digits as its factorization.

611201002051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 611201002051 its reverse (150200102116), we get a palindrome (761401104167).

The spelling of 611201002051 in words is "six hundred eleven billion, two hundred one million, two thousand, fifty-one".