610776566011 has 4 divisors (see below), whose sum is σ = 614523661672. Its totient is φ = 607029470352.

The previous prime is 610776565991. The next prime is 610776566017. The reversal of 610776566011 is 110665677016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 610776566011 - 2²¹ = 610774468859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610776566017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1873547586 + ... + 1873547911.

It is an arithmetic number, because the mean of its divisors is an integer number (153630915418).

Almost surely, 2^610776566011 is an apocalyptic number.

610776566011 is a deficient number, since it is larger than the sum of its proper divisors (3747095661).

610776566011 is a wasteful number, since it uses less digits than its factorization.

610776566011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747095660.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 610776566011 in words is "six hundred ten billion, seven hundred seventy-six million, five hundred sixty-six thousand, eleven".