11428892836 has 9 divisors (see below), whose sum is σ = 20000936641. Its totient is φ = 5714339512.

The previous prime is 11428892833. The next prime is 11428892843. The reversal of 11428892836 is 63829882411.

The square root of 11428892836 is 106906.

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., 6920576100 + 4508316736 = 83190^2 + 67144^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11428892831) 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, 187086 + ... + 240538.

Almost surely, 2^11428892836 is an apocalyptic number.

11428892836 is the 106906-th square number.

It is an amenable number.

11428892836 is a deficient number, since it is larger than the sum of its proper divisors (8572043805).

11428892836 is an frugal number, since it uses more digits than its factorization.

11428892836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106910 (or 53455 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 52.

The spelling of 11428892836 in words is "eleven billion, four hundred twenty-eight million, eight hundred ninety-two thousand, eight hundred thirty-six".