1115513 has 16 divisors (see below), whose sum is σ = 1349760. Its totient is φ = 902016.

The previous prime is 1115501. The next prime is 1115519. The reversal of 1115513 is 3155111.

It is a cyclic number.

It is not a de Polignac number, because 1115513 - 2⁴ = 1115497 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1115491 and 1115500.

It is not an unprimeable number, because it can be changed into a prime (1115519) 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, 15245 + ... + 15317.

It is an arithmetic number, because the mean of its divisors is an integer number (84360).

2^1115513 is an apocalyptic number.

It is an amenable number.

1115513 is a deficient number, since it is larger than the sum of its proper divisors (234247).

1115513 is an equidigital number, since it uses as much as digits as its factorization.

1115513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176.

The product of its digits is 75, while the sum is 17.

The square root of 1115513 is about 1056.1784887035. The cubic root of 1115513 is about 103.7110135610.

The spelling of 1115513 in words is "one million, one hundred fifteen thousand, five hundred thirteen".