1155011114 has 4 divisors (see below), whose sum is σ = 1732516674. Its totient is φ = 577505556.

The previous prime is 1155011087. The next prime is 1155011119. The reversal of 1155011114 is 4111105511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 773785489 + 381225625 = 27817^2 + 19525^2 .

It is not an unprimeable number, because it can be changed into a prime (1155011119) by changing a digit.

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 as a sum of consecutive naturals, namely, 288752777 + ... + 288752780.

Almost surely, 2^1155011114 is an apocalyptic number.

1155011114 is a deficient number, since it is larger than the sum of its proper divisors (577505560).

1155011114 is an equidigital number, since it uses as much as digits as its factorization.

1155011114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577505559.

The product of its (nonzero) digits is 100, while the sum is 20.

The square root of 1155011114 is about 33985.4544474544. The cubic root of 1155011114 is about 1049.2091138827.

Adding to 1155011114 its reverse (4111105511), we get a palindrome (5266116625).

The spelling of 1155011114 in words is "one billion, one hundred fifty-five million, eleven thousand, one hundred fourteen".