13512493387801 has 2 divisors, whose sum is σ = 13512493387802. Its totient is φ = 13512493387800.

The previous prime is 13512493387769. The next prime is 13512493387847. The reversal of 13512493387801 is 10878339421531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11775569718025 + 1736923669776 = 3431555^2 + 1317924^2 .

It is a cyclic number.

It is not a de Polignac number, because 13512493387801 - 2⁵ = 13512493387769 is a prime.

It is not a weakly prime, because it can be changed into another prime (13512493387301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6756246693900 + 6756246693901.

It is an arithmetic number, because the mean of its divisors is an integer number (6756246693901).

Almost surely, 2^{13512493387801} is an apocalyptic number.

It is an amenable number.

13512493387801 is a deficient number, since it is larger than the sum of its proper divisors (1).

13512493387801 is an equidigital number, since it uses as much as digits as its factorization.

13512493387801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 13512493387801 in words is "thirteen trillion, five hundred twelve billion, four hundred ninety-three million, three hundred eighty-seven thousand, eight hundred one".