1153115016 has 64 divisors (see below), whose sum is σ = 3071174400. Its totient is φ = 359742528.

The previous prime is 1153114993. The next prime is 1153115017. The reversal of 1153115016 is 6105113511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1153115017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22615 + ... + 53081.

It is an arithmetic number, because the mean of its divisors is an integer number (47987100).

Almost surely, 2^1153115016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153115016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535587200).

1153115016 is an abundant number, since it is smaller than the sum of its proper divisors (1918059384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153115016 is a wasteful number, since it uses less digits than its factorization.

1153115016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30578 (or 30574 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 1153115016 is about 33957.5472612496. The cubic root of 1153115016 is about 1048.6346625803.

Adding to 1153115016 its reverse (6105113511), we get a palindrome (7258228527).

The spelling of 1153115016 in words is "one billion, one hundred fifty-three million, one hundred fifteen thousand, sixteen".