11123142533020 has 96 divisors (see below), whose sum is σ = 27857168898048. Its totient is φ = 3647713504512.

The previous prime is 11123142532991. The next prime is 11123142533081. The reversal of 11123142533020 is 2033524132111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11123142533020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174385854 + ... + 174449626.

It is an arithmetic number, because the mean of its divisors is an integer number (290178842688).

Almost surely, 2^{11123142533020} is an apocalyptic number.

11123142533020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123142533020 is an abundant number, since it is smaller than the sum of its proper divisors (16734026365028).

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

11123142533020 is a wasteful number, since it uses less digits than its factorization.

11123142533020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117979 (or 117977 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 11123142533020 its reverse (2033524132111), we get a palindrome (13156666665131).

The spelling of 11123142533020 in words is "eleven trillion, one hundred twenty-three billion, one hundred forty-two million, five hundred thirty-three thousand, twenty".