1158688953 has 24 divisors (see below), whose sum is σ = 1747100160. Its totient is φ = 739126080.

The previous prime is 1158688943. The next prime is 1158688957. The reversal of 1158688953 is 3598868511.

1158688953 is a `hidden beast` number, since 1 + 1 + 586 + 8 + 8 + 9 + 53 = 666.

It is not a de Polignac number, because 1158688953 - 2⁶ = 1158688889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1158688953.

It is not an unprimeable number, because it can be changed into a prime (1158688957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1500 + ... + 48162.

It is an arithmetic number, because the mean of its divisors is an integer number (72795840).

Almost surely, 2^1158688953 is an apocalyptic number.

It is an amenable number.

1158688953 is a deficient number, since it is larger than the sum of its proper divisors (588411207).

1158688953 is a wasteful number, since it uses less digits than its factorization.

1158688953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46789 (or 46786 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The square root of 1158688953 is about 34039.5204578443. The cubic root of 1158688953 is about 1050.3215804120.

The spelling of 1158688953 in words is "one billion, one hundred fifty-eight million, six hundred eighty-eight thousand, nine hundred fifty-three".