11554543635452 has 12 divisors (see below), whose sum is σ = 20522249144040. Its totient is φ = 5691043880016.

The previous prime is 11554543635421. The next prime is 11554543635473. The reversal of 11554543635452 is 25453634545511.

It is a junction number, because it is equal to n+sod(n) for n = 11554543635394 and 11554543635403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21556984127 + ... + 21556984662.

It is an arithmetic number, because the mean of its divisors is an integer number (1710187428670).

Almost surely, 2^{11554543635452} is an apocalyptic number.

It is an amenable number.

11554543635452 is a deficient number, since it is larger than the sum of its proper divisors (8967705508588).

11554543635452 is a wasteful number, since it uses less digits than its factorization.

11554543635452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43113968860 (or 43113968858 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 53.

The spelling of 11554543635452 in words is "eleven trillion, five hundred fifty-four billion, five hundred forty-three million, six hundred thirty-five thousand, four hundred fifty-two".