1115040355 has 32 divisors (see below), whose sum is σ = 1575399168. Its totient is φ = 746928000.

The previous prime is 1115040337. The next prime is 1115040359. The reversal of 1115040355 is 5530405111.

It is a happy number.

It is not a de Polignac number, because 1115040355 - 2²¹ = 1112943203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115040359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389680 + ... + 392530.

It is an arithmetic number, because the mean of its divisors is an integer number (49231224).

Almost surely, 2^1115040355 is an apocalyptic number.

1115040355 is a deficient number, since it is larger than the sum of its proper divisors (460358813).

1115040355 is a wasteful number, since it uses less digits than its factorization.

1115040355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1115040355 is about 33392.2199771144. The cubic root of 1115040355 is about 1036.9636397327.

Adding to 1115040355 its reverse (5530405111), we get a palindrome (6645445466).

The spelling of 1115040355 in words is "one billion, one hundred fifteen million, forty thousand, three hundred fifty-five".