1363935880105 has 4 divisors (see below), whose sum is σ = 1636723056132. Its totient is φ = 1091148704080.

The previous prime is 1363935880067. The next prime is 1363935880117. The reversal of 1363935880105 is 5010885393631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 446790643776 + 917145236329 = 668424^2 + 957677^2 .

It is not a de Polignac number, because 1363935880105 - 2²³ = 1363927491497 is a prime.

It is a super-2 number, since 2×1363935880105² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136393588006 + ... + 136393588015.

It is an arithmetic number, because the mean of its divisors is an integer number (409180764033).

Almost surely, 2^{1363935880105} is an apocalyptic number.

It is an amenable number.

1363935880105 is a deficient number, since it is larger than the sum of its proper divisors (272787176027).

1363935880105 is an equidigital number, since it uses as much as digits as its factorization.

1363935880105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272787176026.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 1363935880105 in words is "one trillion, three hundred sixty-three billion, nine hundred thirty-five million, eight hundred eighty thousand, one hundred five".