11231223522152 has 16 divisors (see below), whose sum is σ = 21058708500900. Its totient is φ = 5615567921920.

The previous prime is 11231223522131. The next prime is 11231223522227. The reversal of 11231223522152 is 25122532213211.

11231223522152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10828219471876 + 403004050276 = 3290626^2 + 634826^2 .

It is a super-2 number, since 2×11231223522152² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4378049 + ... + 6452112.

Almost surely, 2^{11231223522152} is an apocalyptic number.

It is an amenable number.

11231223522152 is a deficient number, since it is larger than the sum of its proper divisors (9827484978748).

11231223522152 is a wasteful number, since it uses less digits than its factorization.

11231223522152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10959796 (or 10959792 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 11231223522152 its reverse (25122532213211), we get a palindrome (36353755735363).

The spelling of 11231223522152 in words is "eleven trillion, two hundred thirty-one billion, two hundred twenty-three million, five hundred twenty-two thousand, one hundred fifty-two".