1153352985 has 16 divisors (see below), whose sum is σ = 1904893440. Its totient is φ = 595278720.

The previous prime is 1153352971. The next prime is 1153352987. The reversal of 1153352985 is 5892533511.

It is not a de Polignac number, because 1153352985 - 2⁴ = 1153352969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153352987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1239700 + ... + 1240629.

It is an arithmetic number, because the mean of its divisors is an integer number (119055840).

Almost surely, 2^1153352985 is an apocalyptic number.

1153352985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153352985 is a deficient number, since it is larger than the sum of its proper divisors (751540455).

1153352985 is a wasteful number, since it uses less digits than its factorization.

1153352985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480368.

The product of its digits is 162000, while the sum is 42.

The square root of 1153352985 is about 33961.0509996378. The cubic root of 1153352985 is about 1048.7067933954.

The spelling of 1153352985 in words is "one billion, one hundred fifty-three million, three hundred fifty-two thousand, nine hundred eighty-five".