104443543503 has 56 divisors (see below), whose sum is σ = 168741642048. Its totient is φ = 64233974592.

The previous prime is 104443543489. The next prime is 104443543511. The reversal of 104443543503 is 305345344401.

104443543503 is a `hidden beast` number, since 104 + 4 + 4 + 3 + 5 + 43 + 503 = 666.

It is not a de Polignac number, because 104443543503 - 2⁴ = 104443543487 is a prime.

It is a super-2 number, since 2×104443543503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104443543543) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 28021626 + ... + 28025352.

It is an arithmetic number, because the mean of its divisors is an integer number (3013243608).

Almost surely, 2^104443543503 is an apocalyptic number.

104443543503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

104443543503 is a deficient number, since it is larger than the sum of its proper divisors (64298098545).

104443543503 is an equidigital number, since it uses as much as digits as its factorization.

104443543503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715 (or 6700 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 104443543503 its reverse (305345344401), we get a palindrome (409788887904).

The spelling of 104443543503 in words is "one hundred four billion, four hundred forty-three million, five hundred forty-three thousand, five hundred three".