1361561433415 has 8 divisors (see below), whose sum is σ = 1633931077968. Its totient is φ = 1089210908160.

The previous prime is 1361561433367. The next prime is 1361561433433. The reversal of 1361561433415 is 5143341651631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1361561433415 - 2²⁹ = 1361024562503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4622682 + ... + 4908391.

It is an arithmetic number, because the mean of its divisors is an integer number (204241384746).

Almost surely, 2^{1361561433415} is an apocalyptic number.

1361561433415 is a deficient number, since it is larger than the sum of its proper divisors (272369644553).

1361561433415 is an equidigital number, since it uses as much as digits as its factorization.

1361561433415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9559649.

The product of its digits is 388800, while the sum is 43.

The spelling of 1361561433415 in words is "one trillion, three hundred sixty-one billion, five hundred sixty-one million, four hundred thirty-three thousand, four hundred fifteen".