1377323055656 has 16 divisors (see below), whose sum is σ = 2588131678740. Its totient is φ = 687154608000.

The previous prime is 1377323055617. The next prime is 1377323055673. The reversal of 1377323055656 is 6565503237731.

It can be written as a sum of positive squares in 2 ways, for example, as 1360101742756 + 17221312900 = 1166234^2 + 131230^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1377323055598 and 1377323055607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188361095 + ... + 188368406.

Almost surely, 2^{1377323055656} is an apocalyptic number.

It is an amenable number.

1377323055656 is a deficient number, since it is larger than the sum of its proper divisors (1210808623084).

1377323055656 is a wasteful number, since it uses less digits than its factorization.

1377323055656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376729964 (or 376729960 counting only the distinct ones).

The product of its (nonzero) digits is 11907000, while the sum is 53.

The spelling of 1377323055656 in words is "one trillion, three hundred seventy-seven billion, three hundred twenty-three million, fifty-five thousand, six hundred fifty-six".