11115066636 has 18 divisors (see below), whose sum is σ = 28096418532. Its totient is φ = 3705022200.

The previous prime is 11115066623. The next prime is 11115066637. The reversal of 11115066636 is 63666051111.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 308751851 = 11115066636 / (1 + 1 + 1 + 1 + 5 + 0 + 6 + 6 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 11115066636.

It is not an unprimeable number, because it can be changed into a prime (11115066637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154375890 + ... + 154375961.

Almost surely, 2^11115066636 is an apocalyptic number.

It is an amenable number.

11115066636 is an abundant number, since it is smaller than the sum of its proper divisors (16981351896).

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

11115066636 is a wasteful number, since it uses less digits than its factorization.

11115066636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308751861 (or 308751856 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 11115066636 in words is "eleven billion, one hundred fifteen million, sixty-six thousand, six hundred thirty-six".