1118533790 has 16 divisors (see below), whose sum is σ = 2196393840. Its totient is φ = 406739520.

The previous prime is 1118533789. The next prime is 1118533841. The reversal of 1118533790 is 973358111.

It is a super-2 number, since 2×1118533790² = 2502235678743528200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5084135 + ... + 5084354.

It is an arithmetic number, because the mean of its divisors is an integer number (137274615).

Almost surely, 2^1118533790 is an apocalyptic number.

1118533790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1118533790 is a deficient number, since it is larger than the sum of its proper divisors (1077860050).

1118533790 is a wasteful number, since it uses less digits than its factorization.

1118533790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168507.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1118533790 is about 33444.4881856488. The cubic root of 1118533790 is about 1038.0454506428.

The spelling of 1118533790 in words is "one billion, one hundred eighteen million, five hundred thirty-three thousand, seven hundred ninety".