11982633020836 has 9 divisors (see below), whose sum is σ = 20969619902049. Its totient is φ = 5991313048824.

The previous prime is 11982633020819. The next prime is 11982633020837. The reversal of 11982633020836 is 63802033628911.

The square root of 11982633020836 is 3461594.

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

It can be written as a sum of positive squares in only one way, i.e., 1174687468900 + 10807945551936 = 1083830^2 + 3287544^2 .

It is a super-2 number, since 2×11982633020836² (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 (11982633020837) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6057790 + ... + 7788586.

Almost surely, 2^{11982633020836} is an apocalyptic number.

11982633020836 is the 3461594-th square number.

It is an amenable number.

11982633020836 is a deficient number, since it is larger than the sum of its proper divisors (8986986881213).

11982633020836 is an frugal number, since it uses more digits than its factorization.

11982633020836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461598 (or 1730799 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 11982633020836 in words is "eleven trillion, nine hundred eighty-two billion, six hundred thirty-three million, twenty thousand, eight hundred thirty-six".