1115260438 has 16 divisors (see below), whose sum is σ = 1746276624. Its totient is φ = 533662560.

The previous prime is 1115260411. The next prime is 1115260441. The reversal of 1115260438 is 8340625111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119020 + ... + 128047.

It is an arithmetic number, because the mean of its divisors is an integer number (109142289).

Almost surely, 2^1115260438 is an apocalyptic number.

1115260438 is a deficient number, since it is larger than the sum of its proper divisors (631016186).

1115260438 is a wasteful number, since it uses less digits than its factorization.

1115260438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247167.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1115260438 is about 33395.5152378280. The cubic root of 1115260438 is about 1037.0318594028.

Adding to 1115260438 its reverse (8340625111), we get a palindrome (9455885549).

The spelling of 1115260438 in words is "one billion, one hundred fifteen million, two hundred sixty thousand, four hundred thirty-eight".