1137776355556 has 27 divisors (see below), whose sum is σ = 2000308655163. Its totient is φ = 566271646080.

The previous prime is 1137776355517. The next prime is 1137776355559. The reversal of 1137776355556 is 6555536777311.

The square root of 1137776355556 is 1066666.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 768374964900 + 369401390656 = 876570^2 + 607784^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1137776355494 and 1137776355503.

It is not an unprimeable number, because it can be changed into a prime (1137776355559) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 514131906 + ... + 514134118.

Almost surely, 2^{1137776355556} is an apocalyptic number.

1137776355556 is the 1066666-th square number.

It is an amenable number.

1137776355556 is a deficient number, since it is larger than the sum of its proper divisors (862532299607).

1137776355556 is an frugal number, since it uses more digits than its factorization.

1137776355556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912 (or 2456 counting only the distinct ones).

The product of its digits is 69457500, while the sum is 61.

The spelling of 1137776355556 in words is "one trillion, one hundred thirty-seven billion, seven hundred seventy-six million, three hundred fifty-five thousand, five hundred fifty-six".