11231333554042 has 20 divisors (see below), whose sum is σ = 19653664284666. Its totient is φ = 4813428663960.

The previous prime is 11231333554037. The next prime is 11231333554043. The reversal of 11231333554042 is 24045533313211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6115635026361 + 5115698527681 = 2472981^2 + 2261791^2 .

It is a super-2 number, since 2×11231333554042² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231333553992 and 11231333554010.

It is not an unprimeable number, because it can be changed into a prime (11231333554043) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1169438509 + ... + 1169448112.

Almost surely, 2^{11231333554042} is an apocalyptic number.

11231333554042 is a deficient number, since it is larger than the sum of its proper divisors (8422330730624).

11231333554042 is an frugal number, since it uses more digits than its factorization.

11231333554042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338886651 (or 2338886630 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 11231333554042 its reverse (24045533313211), we get a palindrome (35276866867253).

The spelling of 11231333554042 in words is "eleven trillion, two hundred thirty-one billion, three hundred thirty-three million, five hundred fifty-four thousand, forty-two".