1124555552540 has 192 divisors, whose sum is σ = 2890683645696. Its totient is φ = 358716653568.

The previous prime is 1124555552513. The next prime is 1124555552543. The reversal of 1124555552540 is 452555554211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1124555552491 and 1124555552500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124555552543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73603382 + ... + 73618658.

It is an arithmetic number, because the mean of its divisors is an integer number (15055643988).

Almost surely, 2^{1124555552540} is an apocalyptic number.

1124555552540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124555552540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445341822848).

1124555552540 is an abundant number, since it is smaller than the sum of its proper divisors (1766128093156).

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

1124555552540 is a wasteful number, since it uses less digits than its factorization.

1124555552540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15664 (or 15662 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 44.

The spelling of 1124555552540 in words is "one trillion, one hundred twenty-four billion, five hundred fifty-five million, five hundred fifty-two thousand, five hundred forty".