11111150066436 has 72 divisors (see below), whose sum is σ = 32148490308480. Its totient is φ = 3169707590016.

The previous prime is 11111150066399. The next prime is 11111150066459. The reversal of 11111150066436 is 63466005111111.

11111150066436 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 1 + 1 + 5 + 0 + 0 + 6 + 643 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11111150066436.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33911041 + ... + 34237128.

It is an arithmetic number, because the mean of its divisors is an integer number (446506809840).

Almost surely, 2^{11111150066436} is an apocalyptic number.

It is an amenable number.

11111150066436 is an abundant number, since it is smaller than the sum of its proper divisors (21037340242044).

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

11111150066436 is a wasteful number, since it uses less digits than its factorization.

11111150066436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68148833 (or 68148828 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

Adding to 11111150066436 its reverse (63466005111111), we get a palindrome (74577155177547).

The spelling of 11111150066436 in words is "eleven trillion, one hundred eleven billion, one hundred fifty million, sixty-six thousand, four hundred thirty-six".