1361206105457 has 32 divisors (see below), whose sum is σ = 1623422822400. Its totient is φ = 1127939688000.

The previous prime is 1361206105451. The next prime is 1361206105513. The reversal of 1361206105457 is 7545016021631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1361206105457 - 2⁶ = 1361206105393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361206105451) 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 31 ways as a sum of consecutive naturals, for example, 594794 + ... + 1753907.

It is an arithmetic number, because the mean of its divisors is an integer number (50731963200).

Almost surely, 2^{1361206105457} is an apocalyptic number.

It is an amenable number.

1361206105457 is a deficient number, since it is larger than the sum of its proper divisors (262216716943).

1361206105457 is a wasteful number, since it uses less digits than its factorization.

1361206105457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348837.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 1361206105457 in words is "one trillion, three hundred sixty-one billion, two hundred six million, one hundred five thousand, four hundred fifty-seven".