11177987076 has 81 divisors (see below), whose sum is σ = 28792962471. Its totient is φ = 3656427984.

The previous prime is 11177987059. The next prime is 11177987077. The reversal of 11177987076 is 67078977111.

The square root of 11177987076 is 105726.

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

It is not an unprimeable number, because it can be changed into a prime (11177987077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 42501721 + ... + 42501983.

Almost surely, 2^11177987076 is an apocalyptic number.

11177987076 is the 105726-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11177987076

11177987076 is an abundant number, since it is smaller than the sum of its proper divisors (17614975395).

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

11177987076 is an equidigital number, since it uses as much as digits as its factorization.

11177987076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 1037232, while the sum is 54.

The spelling of 11177987076 in words is "eleven billion, one hundred seventy-seven million, nine hundred eighty-seven thousand, seventy-six".