1123111153532 has 12 divisors (see below), whose sum is σ = 1965527849376. Its totient is φ = 561531768000.

The previous prime is 1123111153531. The next prime is 1123111153543. The reversal of 1123111153532 is 2353511113211.

It is a happy number.

It is a super-2 number, since 2×1123111153532² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123111153495 and 1123111153504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123111153531) 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, 5845844 + ... + 6034907.

It is an arithmetic number, because the mean of its divisors is an integer number (163793987448).

Almost surely, 2^{1123111153532} is an apocalyptic number.

It is an amenable number.

1123111153532 is a deficient number, since it is larger than the sum of its proper divisors (842416695844).

1123111153532 is a wasteful number, since it uses less digits than its factorization.

1123111153532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11904388 (or 11904386 counting only the distinct ones).

The product of its digits is 2700, while the sum is 29.

Adding to 1123111153532 its reverse (2353511113211), we get a palindrome (3476622266743).

The spelling of 1123111153532 in words is "one trillion, one hundred twenty-three billion, one hundred eleven million, one hundred fifty-three thousand, five hundred thirty-two".