1111303144 has 48 divisors (see below), whose sum is σ = 2529295200. Its totient is φ = 455561568.

The previous prime is 1111303093. The next prime is 1111303157. The reversal of 1111303144 is 4413031111.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52614 + ... + 70645.

It is an arithmetic number, because the mean of its divisors is an integer number (52693650).

Almost surely, 2^1111303144 is an apocalyptic number.

1111303144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1111303144 is an abundant number, since it is smaller than the sum of its proper divisors (1417992056).

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

1111303144 is a wasteful number, since it uses less digits than its factorization.

1111303144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123302 (or 123291 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1111303144 is about 33336.2137022188. The cubic root of 1111303144 is about 1035.8038342975.

Adding to 1111303144 its reverse (4413031111), we get a palindrome (5524334255).

The spelling of 1111303144 in words is "one billion, one hundred eleven million, three hundred three thousand, one hundred forty-four".