10777166511613 has 4 divisors (see below), whose sum is σ = 10777492996828. Its totient is φ = 10776840026400.

The previous prime is 10777166511581. The next prime is 10777166511689. The reversal of 10777166511613 is 31611566177701.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2963279930724 + 7813886580889 = 1721418^2 + 2795333^2 .

It is a cyclic number.

It is not a de Polignac number, because 10777166511613 - 2⁵ = 10777166511581 is a prime.

It is a super-2 number, since 2×10777166511613² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10777166511113) 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, 163193088 + ... + 163259113.

It is an arithmetic number, because the mean of its divisors is an integer number (2694373249207).

Almost surely, 2^{10777166511613} is an apocalyptic number.

It is an amenable number.

10777166511613 is a deficient number, since it is larger than the sum of its proper divisors (326485215).

10777166511613 is an equidigital number, since it uses as much as digits as its factorization.

10777166511613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326485214.

The product of its (nonzero) digits is 1111320, while the sum is 52.

The spelling of 10777166511613 in words is "ten trillion, seven hundred seventy-seven billion, one hundred sixty-six million, five hundred eleven thousand, six hundred thirteen".