1113821516 has 6 divisors (see below), whose sum is σ = 1949187660. Its totient is φ = 556910756.

The previous prime is 1113821461. The next prime is 1113821573. The reversal of 1113821516 is 6151283111.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139227686 + ... + 139227693.

It is an arithmetic number, because the mean of its divisors is an integer number (324864610).

Almost surely, 2^1113821516 is an apocalyptic number.

It is an amenable number.

1113821516 is a deficient number, since it is larger than the sum of its proper divisors (835366144).

1113821516 is a wasteful number, since it uses less digits than its factorization.

1113821516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278455383 (or 278455381 counting only the distinct ones).

The product of its digits is 1440, while the sum is 29.

The square root of 1113821516 is about 33373.9646431166. The cubic root of 1113821516 is about 1036.5856705960.

The spelling of 1113821516 in words is "one billion, one hundred thirteen million, eight hundred twenty-one thousand, five hundred sixteen".