1115432413 has 2 divisors, whose sum is σ = 1115432414. Its totient is φ = 1115432412.

The previous prime is 1115432401. The next prime is 1115432431. The reversal of 1115432413 is 3142345111.

Together with next prime (1115432431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 966152889 + 149279524 = 31083^2 + 12218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115432413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115430413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557716206 + 557716207.

It is an arithmetic number, because the mean of its divisors is an integer number (557716207).

Almost surely, 2^1115432413 is an apocalyptic number.

It is an amenable number.

1115432413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115432413 is an equidigital number, since it uses as much as digits as its factorization.

1115432413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 1115432413 is about 33398.0899603555. The cubic root of 1115432413 is about 1037.0851606712.

Adding to 1115432413 its reverse (3142345111), we get a palindrome (4257777524).

The spelling of 1115432413 in words is "one billion, one hundred fifteen million, four hundred thirty-two thousand, four hundred thirteen".