1115305949 has 4 divisors (see below), whose sum is σ = 1163797536. Its totient is φ = 1066814364.

The previous prime is 1115305937. The next prime is 1115305951. The reversal of 1115305949 is 9495035111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1115305949 - 2¹² = 1115301853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115305979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24245759 + ... + 24245804.

It is an arithmetic number, because the mean of its divisors is an integer number (290949384).

Almost surely, 2^1115305949 is an apocalyptic number.

It is an amenable number.

1115305949 is a deficient number, since it is larger than the sum of its proper divisors (48491587).

1115305949 is an equidigital number, since it uses as much as digits as its factorization.

1115305949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48491586.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 1115305949 is about 33396.1966247655. The cubic root of 1115305949 is about 1037.0459654397.

The spelling of 1115305949 in words is "one billion, one hundred fifteen million, three hundred five thousand, nine hundred forty-nine".