11123142532544 has 56 divisors (see below), whose sum is σ = 25244824450560. Its totient is φ = 4763446684416.

The previous prime is 11123142532499. The next prime is 11123142532577. The reversal of 11123142532544 is 44523524132111.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×11123142532544² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11123142532498 and 11123142532507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8820932 + ... + 10002755.

Almost surely, 2^{11123142532544} is an apocalyptic number.

11123142532544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11123142532544 is an abundant number, since it is smaller than the sum of its proper divisors (14121681918016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11123142532544 is a wasteful number, since it uses less digits than its factorization.

11123142532544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18825025 (or 18825015 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

Adding to 11123142532544 its reverse (44523524132111), we get a palindrome (55646666664655).

The spelling of 11123142532544 in words is "eleven trillion, one hundred twenty-three billion, one hundred forty-two million, five hundred thirty-two thousand, five hundred forty-four".