11123145331620 has 48 divisors (see below), whose sum is σ = 35594065062528. Its totient is φ = 2542433218560.

The previous prime is 11123145331577. The next prime is 11123145331633. The reversal of 11123145331620 is 2613354132111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13241839261 + ... + 13241840100.

It is an arithmetic number, because the mean of its divisors is an integer number (741543022136).

Almost surely, 2^{11123145331620} is an apocalyptic number.

11123145331620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123145331620 is an abundant number, since it is smaller than the sum of its proper divisors (24470919730908).

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

11123145331620 is a wasteful number, since it uses less digits than its factorization.

11123145331620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26483679380 (or 26483679378 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 11123145331620 its reverse (2613354132111), we get a palindrome (13736499463731).

The spelling of 11123145331620 in words is "eleven trillion, one hundred twenty-three billion, one hundred forty-five million, three hundred thirty-one thousand, six hundred twenty".