1361206103501 has 2 divisors, whose sum is σ = 1361206103502. Its totient is φ = 1361206103500.

The previous prime is 1361206103497. The next prime is 1361206103503. The reversal of 1361206103501 is 1053016021631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1318652602276 + 42553501225 = 1148326^2 + 206285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361206103501 - 2² = 1361206103497 is a prime.

Together with 1361206103503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361206103503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680603051750 + 680603051751.

It is an arithmetic number, because the mean of its divisors is an integer number (680603051751).

Almost surely, 2^{1361206103501} is an apocalyptic number.

It is an amenable number.

1361206103501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361206103501 is an equidigital number, since it uses as much as digits as its factorization.

1361206103501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 1361206103501 in words is "one trillion, three hundred sixty-one billion, two hundred six million, one hundred three thousand, five hundred one".