1115345101 has 4 divisors (see below), whose sum is σ = 1201140892. Its totient is φ = 1029549312.

The previous prime is 1115345089. The next prime is 1115345107. The reversal of 1115345101 is 1015435111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 370601001 + 744744100 = 19251^2 + 27290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115345101 - 2⁵ = 1115345069 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 (1115345107) 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, 42897876 + ... + 42897901.

It is an arithmetic number, because the mean of its divisors is an integer number (300285223).

Almost surely, 2^1115345101 is an apocalyptic number.

It is an amenable number.

1115345101 is a deficient number, since it is larger than the sum of its proper divisors (85795791).

1115345101 is an equidigital number, since it uses as much as digits as its factorization.

1115345101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85795790.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1115345101 is about 33396.7827941555. The cubic root of 1115345101 is about 1037.0581002112.

The spelling of 1115345101 in words is "one billion, one hundred fifteen million, three hundred forty-five thousand, one hundred one".