1115328190 has 32 divisors (see below), whose sum is σ = 2097570816. Its totient is φ = 426185760.

The previous prime is 1115328143. The next prime is 1115328211. The reversal of 1115328190 is 918235111.

It is a super-2 number, since 2×1115328190² = 2487913942817352200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206869 + ... + 212191.

It is an arithmetic number, because the mean of its divisors is an integer number (65549088).

Almost surely, 2^1115328190 is an apocalyptic number.

1115328190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115328190 is a deficient number, since it is larger than the sum of its proper divisors (982242626).

1115328190 is a wasteful number, since it uses less digits than its factorization.

1115328190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 1115328190 is about 33396.5296101257. The cubic root of 1115328190 is about 1037.0528588505.

The spelling of 1115328190 in words is "one billion, one hundred fifteen million, three hundred twenty-eight thousand, one hundred ninety".