13045516705 has 16 divisors (see below), whose sum is σ = 16887301200. Its totient is φ = 9617338368.

The previous prime is 13045516681. The next prime is 13045516723. The reversal of 13045516705 is 50761554031.

It can be written as a sum of positive squares in 8 ways, for example, as 2811968784 + 10233547921 = 53028^2 + 101161^2 .

It is a cyclic number.

It is not a de Polignac number, because 13045516705 - 2⁷ = 13045516577 is a prime.

It is a super-2 number, since 2×13045516705² (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 15 ways as a sum of consecutive naturals, for example, 130680 + ... + 207769.

It is an arithmetic number, because the mean of its divisors is an integer number (1055456325).

Almost surely, 2^13045516705 is an apocalyptic number.

It is an amenable number.

13045516705 is a deficient number, since it is larger than the sum of its proper divisors (3841784495).

13045516705 is a wasteful number, since it uses less digits than its factorization.

13045516705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339060.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 13045516705 in words is "thirteen billion, forty-five million, five hundred sixteen thousand, seven hundred five".