11553881158 has 8 divisors (see below), whose sum is σ = 17342803152. Its totient is φ = 5772946776.

The previous prime is 11553881123. The next prime is 11553881159. The reversal of 11553881158 is 85118835511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553881159) 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, 1993285 + ... + 1999072.

It is an arithmetic number, because the mean of its divisors is an integer number (2167850394).

Almost surely, 2^11553881158 is an apocalyptic number.

11553881158 is a deficient number, since it is larger than the sum of its proper divisors (5788921994).

11553881158 is a wasteful number, since it uses less digits than its factorization.

11553881158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993806.

The product of its digits is 192000, while the sum is 46.

The spelling of 11553881158 in words is "eleven billion, five hundred fifty-three million, eight hundred eighty-one thousand, one hundred fifty-eight".