1115552345 has 16 divisors (see below), whose sum is σ = 1363111680. Its totient is φ = 876230784.

The previous prime is 1115552341. The next prime is 1115552351. The reversal of 1115552345 is 5432555111.

It is a cyclic number.

It is not a de Polignac number, because 1115552345 - 2² = 1115552341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1115552341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99536 + ... + 110174.

It is an arithmetic number, because the mean of its divisors is an integer number (85194480).

Almost surely, 2^1115552345 is an apocalyptic number.

It is an amenable number.

1115552345 is a deficient number, since it is larger than the sum of its proper divisors (247559335).

1115552345 is a wasteful number, since it uses less digits than its factorization.

1115552345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11024.

The product of its digits is 15000, while the sum is 32.

The square root of 1115552345 is about 33399.8854039950. The cubic root of 1115552345 is about 1037.1223286903.

The spelling of 1115552345 in words is "one billion, one hundred fifteen million, five hundred fifty-two thousand, three hundred forty-five".