1123766156705 has 16 divisors (see below), whose sum is σ = 1430671226880. Its totient is φ = 844990175232.

The previous prime is 1123766156699. The next prime is 1123766156713. The reversal of 1123766156705 is 5076516673211.

It is a cyclic number.

It is not a de Polignac number, because 1123766156705 - 2⁸ = 1123766156449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46559264 + ... + 46583393.

It is an arithmetic number, because the mean of its divisors is an integer number (89416951680).

Almost surely, 2^{1123766156705} is an apocalyptic number.

It is an amenable number.

1123766156705 is a deficient number, since it is larger than the sum of its proper divisors (306905070175).

1123766156705 is a wasteful number, since it uses less digits than its factorization.

1123766156705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93142808.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 1123766156705 in words is "one trillion, one hundred twenty-three billion, seven hundred sixty-six million, one hundred fifty-six thousand, seven hundred five".