1113481716544 has 56 divisors (see below), whose sum is σ = 2283765499008. Its totient is φ = 538330183680.

The previous prime is 1113481716541. The next prime is 1113481716577. The reversal of 1113481716544 is 4456171843111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1113481716494 and 1113481716503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113481716541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980297 + ... + 2479624.

It is an arithmetic number, because the mean of its divisors is an integer number (40781526768).

Almost surely, 2^{1113481716544} is an apocalyptic number.

It is an amenable number.

1113481716544 is an abundant number, since it is smaller than the sum of its proper divisors (1170283782464).

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

1113481716544 is an equidigital number, since it uses as much as digits as its factorization.

1113481716544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460063 (or 4460053 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The spelling of 1113481716544 in words is "one trillion, one hundred thirteen billion, four hundred eighty-one million, seven hundred sixteen thousand, five hundred forty-four".