1115154532 has 12 divisors (see below), whose sum is σ = 1952366976. Its totient is φ = 557335400.

The previous prime is 1115154527. The next prime is 1115154533. The reversal of 1115154532 is 2354515111.

It is a self number, because there is not a number n which added to its sum of digits gives 1115154532.

It is not an unprimeable number, because it can be changed into a prime (1115154533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49888 + ... + 68695.

It is an arithmetic number, because the mean of its divisors is an integer number (162697248).

Almost surely, 2^1115154532 is an apocalyptic number.

It is an amenable number.

1115154532 is a deficient number, since it is larger than the sum of its proper divisors (837212444).

1115154532 is a wasteful number, since it uses less digits than its factorization.

1115154532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120938 (or 120936 counting only the distinct ones).

The product of its digits is 3000, while the sum is 28.

The square root of 1115154532 is about 33393.9295681116. The cubic root of 1115154532 is about 1036.9990325792. Note that the first 3 decimals are identical.

Adding to 1115154532 its reverse (2354515111), we get a palindrome (3469669643).

The spelling of 1115154532 in words is "one billion, one hundred fifteen million, one hundred fifty-four thousand, five hundred thirty-two".