1361254216507 has 4 divisors (see below), whose sum is σ = 1361360885560. Its totient is φ = 1361147547456.

The previous prime is 1361254216481. The next prime is 1361254216541. The reversal of 1361254216507 is 7056124521631.

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

It is a cyclic number.

It is not a de Polignac number, because 1361254216507 - 2⁷ = 1361254216379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361254216807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53315382 + ... + 53340907.

It is an arithmetic number, because the mean of its divisors is an integer number (340340221390).

Almost surely, 2^{1361254216507} is an apocalyptic number.

1361254216507 is a deficient number, since it is larger than the sum of its proper divisors (106669053).

1361254216507 is a wasteful number, since it uses less digits than its factorization.

1361254216507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106669052.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 1361254216507 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-four million, two hundred sixteen thousand, five hundred seven".