1115154355 has 16 divisors (see below), whose sum is σ = 1619317440. Its totient is φ = 719695872.

The previous prime is 1115154353. The next prime is 1115154377. The reversal of 1115154355 is 5534515111.

It is a happy number.

It is not a de Polignac number, because 1115154355 - 2¹ = 1115154353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1115154353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 936510 + ... + 937699.

It is an arithmetic number, because the mean of its divisors is an integer number (101207340).

Almost surely, 2^1115154355 is an apocalyptic number.

1115154355 is a deficient number, since it is larger than the sum of its proper divisors (504163085).

1115154355 is a wasteful number, since it uses less digits than its factorization.

1115154355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874238.

The product of its digits is 7500, while the sum is 31.

The square root of 1115154355 is about 33393.9269179293. The cubic root of 1115154355 is about 1036.9989777142.

Adding to 1115154355 its reverse (5534515111), we get a palindrome (6649669466).

The spelling of 1115154355 in words is "one billion, one hundred fifteen million, one hundred fifty-four thousand, three hundred fifty-five".