1105009988 has 6 divisors (see below), whose sum is σ = 1933767486. Its totient is φ = 552504992.

The previous prime is 1105009933. The next prime is 1105010033. The reversal of 1105009988 is 8899005011.

It can be written as a sum of positive squares in only one way, i.e., 695271424 + 409738564 = 26368^2 + 20242^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138126245 + ... + 138126252.

It is an arithmetic number, because the mean of its divisors is an integer number (322294581).

Almost surely, 2^1105009988 is an apocalyptic number.

It is an amenable number.

1105009988 is a deficient number, since it is larger than the sum of its proper divisors (828757498).

1105009988 is a wasteful number, since it uses less digits than its factorization.

1105009988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276252501 (or 276252499 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 1105009988 is about 33241.6905105622. The cubic root of 1105009988 is about 1033.8449273409.

The spelling of 1105009988 in words is "one billion, one hundred five million, nine thousand, nine hundred eighty-eight".