11150656820 has 12 divisors (see below), whose sum is σ = 23416379364. Its totient is φ = 4460262720.

The previous prime is 11150656819. The next prime is 11150656823. The reversal of 11150656820 is 2865605111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3793820836 + 7356835984 = 61594^2 + 85772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11150656823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278766401 + ... + 278766440.

It is an arithmetic number, because the mean of its divisors is an integer number (1951364947).

Almost surely, 2^11150656820 is an apocalyptic number.

11150656820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11150656820 is an abundant number, since it is smaller than the sum of its proper divisors (12265722544).

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

11150656820 is a wasteful number, since it uses less digits than its factorization.

11150656820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557532850 (or 557532848 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 11150656820 in words is "eleven billion, one hundred fifty million, six hundred fifty-six thousand, eight hundred twenty".