13518480061 has 2 divisors, whose sum is σ = 13518480062. Its totient is φ = 13518480060.

The previous prime is 13518479987. The next prime is 13518480067. The reversal of 13518480061 is 16008481531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6909765625 + 6608714436 = 83125^2 + 81294^2 .

It is a cyclic number.

It is not a de Polignac number, because 13518480061 - 2²¹ = 13516382909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13518480061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13518480067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6759240030 + 6759240031.

It is an arithmetic number, because the mean of its divisors is an integer number (6759240031).

Almost surely, 2^13518480061 is an apocalyptic number.

It is an amenable number.

13518480061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13518480061 is an equidigital number, since it uses as much as digits as its factorization.

13518480061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 13518480061 in words is "thirteen billion, five hundred eighteen million, four hundred eighty thousand, sixty-one".