1361206105471 has 8 divisors (see below), whose sum is σ = 1375248343040. Its totient is φ = 1347179765112.

The previous prime is 1361206105451. The next prime is 1361206105513. The reversal of 1361206105471 is 1745016021631.

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

It is a cyclic number.

It is not a de Polignac number, because 1361206105471 - 2²⁷ = 1361071887743 is a prime.

It is a super-3 number, since 3×1361206105471³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1361206105471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361206105411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3802131 + ... + 4144708.

It is an arithmetic number, because the mean of its divisors is an integer number (171906042880).

Almost surely, 2^{1361206105471} is an apocalyptic number.

1361206105471 is a deficient number, since it is larger than the sum of its proper divisors (14042237569).

1361206105471 is a wasteful number, since it uses less digits than its factorization.

1361206105471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7948605.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 1361206105471 in words is "one trillion, three hundred sixty-one billion, two hundred six million, one hundred five thousand, four hundred seventy-one".