11011232031133 has 4 divisors (see below), whose sum is σ = 11011247807580. Its totient is φ = 11011216254688.

The previous prime is 11011232031113. The next prime is 11011232031139. The reversal of 11011232031133 is 33113023211011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8250377288409 + 2760854742724 = 2872347^2 + 1661582^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011232031133 - 2⁵ = 11011232031101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011232031139) 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, 6790360 + ... + 8254177.

It is an arithmetic number, because the mean of its divisors is an integer number (2752811951895).

Almost surely, 2^{11011232031133} is an apocalyptic number.

It is an amenable number.

11011232031133 is a deficient number, since it is larger than the sum of its proper divisors (15776447).

11011232031133 is an equidigital number, since it uses as much as digits as its factorization.

11011232031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15776446.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 11011232031133 its reverse (33113023211011), we get a palindrome (44124255242144).

The spelling of 11011232031133 in words is "eleven trillion, eleven billion, two hundred thirty-two million, thirty-one thousand, one hundred thirty-three".