1100111052 has 24 divisors (see below), whose sum is σ = 2585396800. Its totient is φ = 364064976.

The previous prime is 1100111041. The next prime is 1100111053. The reversal of 1100111052 is 2501110011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1100111053) 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 7 ways as a sum of consecutive naturals, for example, 328102 + ... + 331437.

Almost surely, 2^1100111052 is an apocalyptic number.

1100111052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100111052 is an abundant number, since it is smaller than the sum of its proper divisors (1485285748).

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

1100111052 is a wasteful number, since it uses less digits than its factorization.

1100111052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659685 (or 659683 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 12.

The square root of 1100111052 is about 33167.9220331935. The cubic root of 1100111052 is about 1032.3148527030.

Adding to 1100111052 its reverse (2501110011), we get a palindrome (3601221063).

The spelling of 1100111052 in words is "one billion, one hundred million, one hundred eleven thousand, fifty-two".