13155150505499 has 2 divisors, whose sum is σ = 13155150505500. Its totient is φ = 13155150505498.

The previous prime is 13155150505481. The next prime is 13155150505513. The reversal of 13155150505499 is 99450505155131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13155150505499 - 2¹² = 13155150501403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13155150505499.

It is not a weakly prime, because it can be changed into another prime (13155150505699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577575252749 + 6577575252750.

It is an arithmetic number, because the mean of its divisors is an integer number (6577575252750).

Almost surely, 2^{13155150505499} is an apocalyptic number.

13155150505499 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155150505499 is an equidigital number, since it uses as much as digits as its factorization.

13155150505499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3037500, while the sum is 53.

The spelling of 13155150505499 in words is "thirteen trillion, one hundred fifty-five billion, one hundred fifty million, five hundred five thousand, four hundred ninety-nine".