1115549990416 has 45 divisors (see below), whose sum is σ = 2192838442543. Its totient is φ = 549771141920.

The previous prime is 1115549990411. The next prime is 1115549990449. The reversal of 1115549990416 is 6140999455111.

It is a happy number.

The square root of 1115549990416 is 1056196.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1115549990416² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115549990411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 299957805 + ... + 299961523.

Almost surely, 2^{1115549990416} is an apocalyptic number.

1115549990416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1115549990416 is the 1056196-th square number.

It is an amenable number.

1115549990416 is a deficient number, since it is larger than the sum of its proper divisors (1077288452127).

1115549990416 is an frugal number, since it uses more digits than its factorization.

1115549990416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7588 (or 3792 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 55.

The spelling of 1115549990416 in words is "one trillion, one hundred fifteen billion, five hundred forty-nine million, nine hundred ninety thousand, four hundred sixteen".