11988936036 has 405 divisors, whose sum is σ = 40587817347. Its totient is φ = 3074591520.

The previous prime is 11988936019. The next prime is 11988936059. The reversal of 11988936036 is 63063988911.

The square root of 11988936036 is 109494.

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

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 151758645 + ... + 151758723.

Almost surely, 2^11988936036 is an apocalyptic number.

11988936036 is the 109494-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11988936036

11988936036 is an abundant number, since it is smaller than the sum of its proper divisors (28598881311).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11988936036 is a wasteful number, since it uses less digits than its factorization.

11988936036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 11988936036 in words is "eleven billion, nine hundred eighty-eight million, nine hundred thirty-six thousand, thirty-six".