1109091010 has 16 divisors (see below), whose sum is σ = 2001931200. Its totient is φ = 442399216.

The previous prime is 1109090989. The next prime is 1109091031. The reversal of 1109091010 is 101909011.

It is an interprime number because it is at equal distance from previous prime (1109090989) and next prime (1109091031).

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, 150880 + ... + 158059.

It is an arithmetic number, because the mean of its divisors is an integer number (125120700).

Almost surely, 2^1109091010 is an apocalyptic number.

1109091010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1109091010 is a deficient number, since it is larger than the sum of its proper divisors (892840190).

1109091010 is a wasteful number, since it uses less digits than its factorization.

1109091010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309305.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 1109091010 is about 33303.0180314037. The cubic root of 1109091010 is about 1035.1160954822.

The spelling of 1109091010 in words is "one billion, one hundred nine million, ninety-one thousand, ten".