11430123112011 has 4 divisors (see below), whose sum is σ = 15240164149352. Its totient is φ = 7620082074672.

The previous prime is 11430123111983. The next prime is 11430123112039. The reversal of 11430123112011 is 11021132103411.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (11430123111983) and next prime (11430123112039).

It is not a de Polignac number, because 11430123112011 - 2²¹ = 11430121014859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11430123102011) 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, 1905020518666 + ... + 1905020518671.

It is an arithmetic number, because the mean of its divisors is an integer number (3810041037338).

Almost surely, 2^{11430123112011} is an apocalyptic number.

11430123112011 is a deficient number, since it is larger than the sum of its proper divisors (3810041037341).

11430123112011 is an equidigital number, since it uses as much as digits as its factorization.

11430123112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810041037340.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11430123112011 its reverse (11021132103411), we get a palindrome (22451255215422).

The spelling of 11430123112011 in words is "eleven trillion, four hundred thirty billion, one hundred twenty-three million, one hundred twelve thousand, eleven".