1153115450 has 24 divisors (see below), whose sum is σ = 2155591200. Its totient is φ = 458924400.

The previous prime is 1153115449. The next prime is 1153115503. The reversal of 1153115450 is 545113511.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47996 + ... + 67895.

It is an arithmetic number, because the mean of its divisors is an integer number (89816300).

Almost surely, 2^1153115450 is an apocalyptic number.

1153115450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1153115450 is a deficient number, since it is larger than the sum of its proper divisors (1002475750).

1153115450 is a wasteful number, since it uses less digits than its factorization.

1153115450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116102 (or 116097 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1153115450 is about 33957.5536515810. The cubic root of 1153115450 is about 1048.6347941392.

Adding to 1153115450 its reverse (545113511), we get a palindrome (1698228961).

The spelling of 1153115450 in words is "one billion, one hundred fifty-three million, one hundred fifteen thousand, four hundred fifty".