1123040403211 has 4 divisors (see below), whose sum is σ = 1159267513024. Its totient is φ = 1086813293400.

The previous prime is 1123040403169. The next prime is 1123040403257.

1123040403211 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123040403211 - 2⁷ = 1123040403083 is a prime.

It is a super-2 number, since 2×1123040403211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123040407211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18113554860 + ... + 18113554921.

It is an arithmetic number, because the mean of its divisors is an integer number (289816878256).

Almost surely, 2^{1123040403211} is an apocalyptic number.

1123040403211 is a deficient number, since it is larger than the sum of its proper divisors (36227109813).

1123040403211 is an equidigital number, since it uses as much as digits as its factorization.

1123040403211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36227109812.

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 1123040 and 403211, that added together give a palindrome (1526251).

The spelling of 1123040403211 in words is "one trillion, one hundred twenty-three billion, forty million, four hundred three thousand, two hundred eleven".