13045451305 has 48 divisors (see below), whose sum is σ = 17075704320. Its totient is φ = 9541179648.

The previous prime is 13045451297. The next prime is 13045451317. The reversal of 13045451305 is 50315454031.

It is not a de Polignac number, because 13045451305 - 2³ = 13045451297 is a prime.

It is a super-2 number, since 2×13045451305² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66220467 + ... + 66220663.

It is an arithmetic number, because the mean of its divisors is an integer number (355743840).

Almost surely, 2^13045451305 is an apocalyptic number.

It is an amenable number.

13045451305 is a deficient number, since it is larger than the sum of its proper divisors (4030253015).

13045451305 is an equidigital number, since it uses as much as digits as its factorization.

13045451305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 13045451305 in words is "thirteen billion, forty-five million, four hundred fifty-one thousand, three hundred five".