1100019992 has 16 divisors (see below), whose sum is σ = 2067687000. Its totient is φ = 548636800.

The previous prime is 1100019961. The next prime is 1100020021. The reversal of 1100019992 is 2999100011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168242 + ... + 174657.

Almost surely, 2^1100019992 is an apocalyptic number.

It is an amenable number.

1100019992 is a deficient number, since it is larger than the sum of its proper divisors (967667008).

1100019992 is a wasteful number, since it uses less digits than its factorization.

1100019992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343306 (or 343302 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 32.

The square root of 1100019992 is about 33166.5492929246. The cubic root of 1100019992 is about 1032.2863691591.

It can be divided in two parts, 1100019 and 992, that added together give a palindrome (1101011).

The spelling of 1100019992 in words is "one billion, one hundred million, nineteen thousand, nine hundred ninety-two".