11031142420532 has 12 divisors (see below), whose sum is σ = 20789460715716. Its totient is φ = 5091296501760.

The previous prime is 11031142420471. The next prime is 11031142420537. The reversal of 11031142420532 is 23502424113011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 750936632356 + 10280205788176 = 866566^2 + 3206276^2 .

It is a super-2 number, since 2×11031142420532² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11031142420495 and 11031142420504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031142420537) 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, 106068677069 + ... + 106068677172.

It is an arithmetic number, because the mean of its divisors is an integer number (1732455059643).

Almost surely, 2^{11031142420532} is an apocalyptic number.

It is an amenable number.

11031142420532 is a deficient number, since it is larger than the sum of its proper divisors (9758318295184).

11031142420532 is a wasteful number, since it uses less digits than its factorization.

11031142420532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212137354258 (or 212137354256 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 11031142420532 its reverse (23502424113011), we get a palindrome (34533566533543).

The spelling of 11031142420532 in words is "eleven trillion, thirty-one billion, one hundred forty-two million, four hundred twenty thousand, five hundred thirty-two".