11582273856 has 56 divisors (see below), whose sum is σ = 30667878720. Its totient is φ = 3857846272.

The previous prime is 11582273827. The next prime is 11582273903. The reversal of 11582273856 is 65837228511.

It is a super-2 number, since 2×11582273856² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240400 + ... + 284528.

Almost surely, 2^11582273856 is an apocalyptic number.

11582273856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11582273856 is an abundant number, since it is smaller than the sum of its proper divisors (19085604864).

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

11582273856 is a wasteful number, since it uses less digits than its factorization.

11582273856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45511 (or 45501 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The spelling of 11582273856 in words is "eleven billion, five hundred eighty-two million, two hundred seventy-three thousand, eight hundred fifty-six".