1123544502432 has 144 divisors (see below), whose sum is σ = 3485946391200. Its totient is φ = 340428480000.

The previous prime is 1123544502403. The next prime is 1123544502467. The reversal of 1123544502432 is 2342054453211.

It is a happy number.

1123544502432 is a `hidden beast` number, since 1 + 1 + 23 + 544 + 50 + 2 + 43 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38796694 + ... + 38825642.

It is an arithmetic number, because the mean of its divisors is an integer number (24207961050).

Almost surely, 2^{1123544502432} is an apocalyptic number.

1123544502432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123544502432 is an abundant number, since it is smaller than the sum of its proper divisors (2362401888768).

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

1123544502432 is a wasteful number, since it uses less digits than its factorization.

1123544502432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41227 (or 41216 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1123544502432 its reverse (2342054453211), we get a palindrome (3465598955643).

The spelling of 1123544502432 in words is "one trillion, one hundred twenty-three billion, five hundred forty-four million, five hundred two thousand, four hundred thirty-two".