1366420575061 has 8 divisors (see below), whose sum is σ = 1367169145344. Its totient is φ = 1365672112560.

The previous prime is 1366420575043. The next prime is 1366420575067. The reversal of 1366420575061 is 1605750246631.

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 1366420575061 - 2⁵ = 1366420575029 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 (1366420575067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43339275 + ... + 43370791.

It is an arithmetic number, because the mean of its divisors is an integer number (170896143168).

Almost surely, 2^{1366420575061} is an apocalyptic number.

It is an amenable number.

1366420575061 is a deficient number, since it is larger than the sum of its proper divisors (748570283).

1366420575061 is a wasteful number, since it uses less digits than its factorization.

1366420575061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53891.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 1366420575061 in words is "one trillion, three hundred sixty-six billion, four hundred twenty million, five hundred seventy-five thousand, sixty-one".