1113543254421 has 96 divisors (see below), whose sum is σ = 1799528814720. Its totient is φ = 659068503552.

The previous prime is 1113543254419. The next prime is 1113543254479. The reversal of 1113543254421 is 1244523453111.

1113543254421 is a `hidden beast` number, since 1 + 1 + 13 + 54 + 32 + 544 + 21 = 666.

It is not a de Polignac number, because 1113543254421 - 2¹ = 1113543254419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113543254521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 235767966 + ... + 235772688.

It is an arithmetic number, because the mean of its divisors is an integer number (18745091820).

Almost surely, 2^{1113543254421} is an apocalyptic number.

It is an amenable number.

1113543254421 is a deficient number, since it is larger than the sum of its proper divisors (685985560299).

1113543254421 is a wasteful number, since it uses less digits than its factorization.

1113543254421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395 (or 5392 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 1113543254421 in words is "one trillion, one hundred thirteen billion, five hundred forty-three million, two hundred fifty-four thousand, four hundred twenty-one".