1123355113506 has 24 divisors (see below), whose sum is σ = 2512450147584. Its totient is φ = 362372617080.

The previous prime is 1123355113493. The next prime is 1123355113511. The reversal of 1123355113506 is 6053115533211.

1123355113506 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 35 + 5 + 113 + 506 = 666.

It is a super-2 number, since 2×1123355113506² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1006590046 + ... + 1006591161.

It is an arithmetic number, because the mean of its divisors is an integer number (104685422816).

Almost surely, 2^{1123355113506} is an apocalyptic number.

1123355113506 is an abundant number, since it is smaller than the sum of its proper divisors (1389095034078).

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

1123355113506 is a wasteful number, since it uses less digits than its factorization.

1123355113506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013181246 (or 2013181243 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 1123355113506 in words is "one trillion, one hundred twenty-three billion, three hundred fifty-five million, one hundred thirteen thousand, five hundred six".