1123746038857 has 16 divisors (see below), whose sum is σ = 1211011881408. Its totient is φ = 1036598207040.

The previous prime is 1123746038827. The next prime is 1123746038879. The reversal of 1123746038857 is 7588306473211.

It is a cyclic number.

It is not a de Polignac number, because 1123746038857 - 2³⁵ = 1089386300489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123746038798 and 1123746038807.

It is not an unprimeable number, because it can be changed into a prime (1123746038827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227891682 + ... + 227896612.

It is an arithmetic number, because the mean of its divisors is an integer number (75688242588).

Almost surely, 2^{1123746038857} is an apocalyptic number.

It is an amenable number.

1123746038857 is a deficient number, since it is larger than the sum of its proper divisors (87265842551).

1123746038857 is a wasteful number, since it uses less digits than its factorization.

1123746038857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13320.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 1123746038857 in words is "one trillion, one hundred twenty-three billion, seven hundred forty-six million, thirty-eight thousand, eight hundred fifty-seven".