1123105464455 has 16 divisors (see below), whose sum is σ = 1457791673184. Its totient is φ = 825716565120.

The previous prime is 1123105464431. The next prime is 1123105464563. The reversal of 1123105464455 is 5544645013211.

It is not a de Polignac number, because 1123105464455 - 2⁸ = 1123105464199 is a prime.

It is a super-2 number, since 2×1123105464455² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 38043716 + ... + 38073225.

It is an arithmetic number, because the mean of its divisors is an integer number (91111979574).

Almost surely, 2^{1123105464455} is an apocalyptic number.

1123105464455 is a deficient number, since it is larger than the sum of its proper divisors (334686208729).

1123105464455 is a wasteful number, since it uses less digits than its factorization.

1123105464455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76117186.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 1123105464455 in words is "one trillion, one hundred twenty-three billion, one hundred five million, four hundred sixty-four thousand, four hundred fifty-five".