1361495155567 has 4 divisors (see below), whose sum is σ = 1361584784080. Its totient is φ = 1361405527056.

The previous prime is 1361495155523. The next prime is 1361495155583. The reversal of 1361495155567 is 7655515941631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361495155567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361405155567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44791467 + ... + 44821852.

It is an arithmetic number, because the mean of its divisors is an integer number (340396196020).

Almost surely, 2^{1361495155567} is an apocalyptic number.

1361495155567 is a deficient number, since it is larger than the sum of its proper divisors (89628513).

1361495155567 is an equidigital number, since it uses as much as digits as its factorization.

1361495155567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89628512.

The product of its digits is 17010000, while the sum is 58.

The spelling of 1361495155567 in words is "one trillion, three hundred sixty-one billion, four hundred ninety-five million, one hundred fifty-five thousand, five hundred sixty-seven".