611056167261 has 16 divisors (see below), whose sum is σ = 827116093440. Its totient is φ = 401196000240.

The previous prime is 611056167229. The next prime is 611056167299. The reversal of 611056167261 is 162761650116.

It is a happy number.

It is not a de Polignac number, because 611056167261 - 2⁵ = 611056167229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611056167221) 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 in 15 ways as a sum of consecutive naturals, for example, 1365085 + ... + 1756578.

It is an arithmetic number, because the mean of its divisors is an integer number (51694755840).

Almost surely, 2^611056167261 is an apocalyptic number.

It is an amenable number.

611056167261 is a deficient number, since it is larger than the sum of its proper divisors (216059926179).

611056167261 is a wasteful number, since it uses less digits than its factorization.

611056167261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122656.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 611056167261 in words is "six hundred eleven billion, fifty-six million, one hundred sixty-seven thousand, two hundred sixty-one".