1115441761 has 8 divisors (see below), whose sum is σ = 1318749120. Its totient is φ = 923124048.

The previous prime is 1115441699. The next prime is 1115441773. The reversal of 1115441761 is 1671445111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1115441761 - 2⁷ = 1115441633 is a prime.

It is a super-2 number, since 2×1115441761² = 2488420644365562242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115441461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2747191 + ... + 2747596.

It is an arithmetic number, because the mean of its divisors is an integer number (164843640).

Almost surely, 2^1115441761 is an apocalyptic number.

It is an amenable number.

1115441761 is a deficient number, since it is larger than the sum of its proper divisors (203307359).

1115441761 is an equidigital number, since it uses as much as digits as its factorization.

1115441761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494823.

The product of its digits is 3360, while the sum is 31.

The square root of 1115441761 is about 33398.2299081853. The cubic root of 1115441761 is about 1037.0880577972.

Adding to 1115441761 its reverse (1671445111), we get a palindrome (2786886872).

The spelling of 1115441761 in words is "one billion, one hundred fifteen million, four hundred forty-one thousand, seven hundred sixty-one".