13510806603 has 12 divisors (see below), whose sum is σ = 20955537000. Its totient is φ = 7720460832.

The previous prime is 13510806541. The next prime is 13510806641. The reversal of 13510806603 is 30660801531.

It is not a de Polignac number, because 13510806603 - 2⁹ = 13510806091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13510806203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45954978 + ... + 45955271.

It is an arithmetic number, because the mean of its divisors is an integer number (1746294750).

Almost surely, 2^13510806603 is an apocalyptic number.

13510806603 is a deficient number, since it is larger than the sum of its proper divisors (7444730397).

13510806603 is an equidigital number, since it uses as much as digits as its factorization.

13510806603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91910266 (or 91910259 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 13510806603 in words is "thirteen billion, five hundred ten million, eight hundred six thousand, six hundred three".