11331331131123 has 6 divisors (see below), whose sum is σ = 16367478300524. Its totient is φ = 7554220754076.

The previous prime is 11331331131101. The next prime is 11331331131151. The reversal of 11331331131123 is 32113113313311.

11331331131123 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 13 + 311 + 311 + 23 = 666.

It is not a de Polignac number, because 11331331131123 - 2²¹ = 11331329033971 is a prime.

It is a super-2 number, since 2×11331331131123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331331131623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629518396165 + ... + 629518396182.

Almost surely, 2^{11331331131123} is an apocalyptic number.

11331331131123 is a deficient number, since it is larger than the sum of its proper divisors (5036147169401).

11331331131123 is a wasteful number, since it uses less digits than its factorization.

11331331131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259036792353 (or 1259036792350 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

Adding to 11331331131123 its reverse (32113113313311), we get a palindrome (43444444444434).

The spelling of 11331331131123 in words is "eleven trillion, three hundred thirty-one billion, three hundred thirty-one million, one hundred thirty-one thousand, one hundred twenty-three".