11601327776377 has 4 divisors (see below), whose sum is σ = 11601335396340. Its totient is φ = 11601320156416.

The previous prime is 11601327776369. The next prime is 11601327776399. The reversal of 11601327776377 is 77367772310611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4562393472576 + 7038934303801 = 2135976^2 + 2653099^2 .

It is a cyclic number.

It is not a de Polignac number, because 11601327776377 - 2³ = 11601327776369 is a prime.

It is a super-2 number, since 2×11601327776377² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11601327176377) 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 3 ways as a sum of consecutive naturals, for example, 655852 + ... + 4861357.

It is an arithmetic number, because the mean of its divisors is an integer number (2900333849085).

Almost surely, 2^{11601327776377} is an apocalyptic number.

It is an amenable number.

11601327776377 is a deficient number, since it is larger than the sum of its proper divisors (7619963).

11601327776377 is an equidigital number, since it uses as much as digits as its factorization.

11601327776377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7619962.

The product of its (nonzero) digits is 10890936, while the sum is 58.

The spelling of 11601327776377 in words is "eleven trillion, six hundred one billion, three hundred twenty-seven million, seven hundred seventy-six thousand, three hundred seventy-seven".