11205031423001 has 16 divisors (see below), whose sum is σ = 12248082894096. Its totient is φ = 10188221700096.

The previous prime is 11205031422947. The next prime is 11205031423009. The reversal of 11205031423001 is 10032413050211.

It can be written as a sum of positive squares in 8 ways, for example, as 970374725776 + 10234656697225 = 985076^2 + 3199165^2 .

It is a cyclic number.

It is not a de Polignac number, because 11205031423001 - 2³⁰ = 11203957681177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11205031423009) 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, 6903680 + ... + 8370833.

It is an arithmetic number, because the mean of its divisors is an integer number (765505180881).

Almost surely, 2^{11205031423001} is an apocalyptic number.

It is an amenable number.

11205031423001 is a deficient number, since it is larger than the sum of its proper divisors (1043051471095).

11205031423001 is a wasteful number, since it uses less digits than its factorization.

11205031423001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15275372.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 11205031423001 its reverse (10032413050211), we get a palindrome (21237444473212).

The spelling of 11205031423001 in words is "eleven trillion, two hundred five billion, thirty-one million, four hundred twenty-three thousand, one".