1123056828918 has 12 divisors (see below), whose sum is σ = 2433289796028. Its totient is φ = 374352276300.

The previous prime is 1123056828877. The next prime is 1123056828967. The reversal of 1123056828918 is 8198286503211.

1123056828918 is a `hidden beast` number, since 1 + 12 + 30 + 568 + 28 + 9 + 18 = 666.

It is a super-2 number, since 2×1123056828918² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31196023008 + ... + 31196023043.

It is an arithmetic number, because the mean of its divisors is an integer number (202774149669).

Almost surely, 2^{1123056828918} is an apocalyptic number.

1123056828918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1123056828918 is an abundant number, since it is smaller than the sum of its proper divisors (1310232967110).

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

1123056828918 is a wasteful number, since it uses less digits than its factorization.

1123056828918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62392046059 (or 62392046056 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 1123056828918 in words is "one trillion, one hundred twenty-three billion, fifty-six million, eight hundred twenty-eight thousand, nine hundred eighteen".