1111693992 has 64 divisors (see below), whose sum is σ = 2810419200. Its totient is φ = 366428160.

The previous prime is 1111693987. The next prime is 1111693997. The reversal of 1111693992 is 2993961111.

It is an interprime number because it is at equal distance from previous prime (1111693987) and next prime (1111693997).

It is not an unprimeable number, because it can be changed into a prime (1111693997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733992 + ... + 1734632.

It is an arithmetic number, because the mean of its divisors is an integer number (43912800).

Almost surely, 2^1111693992 is an apocalyptic number.

1111693992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111693992 is an abundant number, since it is smaller than the sum of its proper divisors (1698725208).

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

1111693992 is a wasteful number, since it uses less digits than its factorization.

1111693992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1342 counting only the distinct ones).

The product of its digits is 26244, while the sum is 42.

The square root of 1111693992 is about 33342.0754003106. The cubic root of 1111693992 is about 1035.9252516345.

The spelling of 1111693992 in words is "one billion, one hundred eleven million, six hundred ninety-three thousand, nine hundred ninety-two".