13353445503 has 36 divisors (see below), whose sum is σ = 19630395720. Its totient is φ = 8747077248.

The previous prime is 13353445489. The next prime is 13353445507. The reversal of 13353445503 is 30554435331.

13353445503 is a `hidden beast` number, since 1 + 33 + 534 + 45 + 50 + 3 = 666.

It is not a de Polignac number, because 13353445503 - 2⁵ = 13353445471 is a prime.

It is a super-3 number, since 3×13353445503³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13353445507) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24411876 + ... + 24412422.

It is an arithmetic number, because the mean of its divisors is an integer number (545288770).

Almost surely, 2^13353445503 is an apocalyptic number.

13353445503 is a deficient number, since it is larger than the sum of its proper divisors (6276950217).

13353445503 is an equidigital number, since it uses as much as digits as its factorization.

13353445503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The spelling of 13353445503 in words is "thirteen billion, three hundred fifty-three million, four hundred forty-five thousand, five hundred three".