1111690538 has 12 divisors (see below), whose sum is σ = 1939786722. Its totient is φ = 476438760.

The previous prime is 1111690511. The next prime is 1111690543. The reversal of 1111690538 is 8350961111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1100447929 + 11242609 = 33173^2 + 3353^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111690498 and 1111690507.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 5671793 + ... + 5671988.

Almost surely, 2^1111690538 is an apocalyptic number.

1111690538 is a deficient number, since it is larger than the sum of its proper divisors (828096184).

1111690538 is a wasteful number, since it uses less digits than its factorization.

1111690538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343797 (or 11343790 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 1111690538 is about 33342.0236038546. The cubic root of 1111690538 is about 1035.9241787705.

The spelling of 1111690538 in words is "one billion, one hundred eleven million, six hundred ninety thousand, five hundred thirty-eight".