1366120553401 has 8 divisors (see below), whose sum is σ = 1457522424864. Its totient is φ = 1275945552960.

The previous prime is 1366120553387. The next prime is 1366120553467. The reversal of 1366120553401 is 1043550216631.

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 1366120553401 - 2³⁹ = 816364739513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366120550401) 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, 306715455 + ... + 306719908.

It is an arithmetic number, because the mean of its divisors is an integer number (182190303108).

Almost surely, 2^{1366120553401} is an apocalyptic number.

It is an amenable number.

1366120553401 is a deficient number, since it is larger than the sum of its proper divisors (91401871463).

1366120553401 is a wasteful number, since it uses less digits than its factorization.

1366120553401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613435511.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 1366120553401 in words is "one trillion, three hundred sixty-six billion, one hundred twenty million, five hundred fifty-three thousand, four hundred one".