611116051 has 32 divisors (see below), whose sum is σ = 822140928. Its totient is φ = 440363520.

The previous prime is 611116039. The next prime is 611116061. The reversal of 611116051 is 150611116.

It is a cyclic number.

It is not a de Polignac number, because 611116051 - 2⁹ = 611115539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611116001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41586 + ... + 54328.

It is an arithmetic number, because the mean of its divisors is an integer number (25691904).

Almost surely, 2^611116051 is an apocalyptic number.

611116051 is a deficient number, since it is larger than the sum of its proper divisors (211024877).

611116051 is a wasteful number, since it uses less digits than its factorization.

611116051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12811.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 611116051 is about 24720.7615376226. The cubic root of 611116051 is about 848.6095148297.

Adding to 611116051 its reverse (150611116), we get a palindrome (761727167).

The spelling of 611116051 in words is "six hundred eleven million, one hundred sixteen thousand, fifty-one".