1111011264 has 84 divisors (see below), whose sum is σ = 3474034200. Its totient is φ = 336668160.

The previous prime is 1111011233. The next prime is 1111011269. The reversal of 1111011264 is 4621101111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111011269) 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 11 ways as a sum of consecutive naturals, for example, 81339 + ... + 94010.

It is an arithmetic number, because the mean of its divisors is an integer number (41357550).

Almost surely, 2^1111011264 is an apocalyptic number.

It is an amenable number.

1111011264 is an abundant number, since it is smaller than the sum of its proper divisors (2363022936).

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

1111011264 is a wasteful number, since it uses less digits than its factorization.

1111011264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175378 (or 175365 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 1111011264 is about 33331.8355930183. The cubic root of 1111011264 is about 1035.7131429030.

Adding to 1111011264 its reverse (4621101111), we get a palindrome (5732112375).

The spelling of 1111011264 in words is "one billion, one hundred eleven million, eleven thousand, two hundred sixty-four".