1123153868854 has 8 divisors (see below), whose sum is σ = 1684756137240. Its totient is φ = 561568489776.

The previous prime is 1123153868827. The next prime is 1123153868867. The reversal of 1123153868854 is 4588683513211.

It is a happy number.

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

It is a super-2 number, since 2×1123153868854² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123153868795 and 1123153868804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4054744 + ... + 4322875.

It is an arithmetic number, because the mean of its divisors is an integer number (210594517155).

Almost surely, 2^{1123153868854} is an apocalyptic number.

1123153868854 is a deficient number, since it is larger than the sum of its proper divisors (561602268386).

1123153868854 is an equidigital number, since it uses as much as digits as its factorization.

1123153868854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8444654.

The product of its digits is 5529600, while the sum is 55.

The spelling of 1123153868854 in words is "one trillion, one hundred twenty-three billion, one hundred fifty-three million, eight hundred sixty-eight thousand, eight hundred fifty-four".