2136866054401 has 16 divisors (see below), whose sum is σ = 2303446747840. Its totient is φ = 1970601151680.

The previous prime is 2136866054399. The next prime is 2136866054413. The reversal of 2136866054401 is 1044506686312.

It is a cyclic number.

It is not a de Polignac number, because 2136866054401 - 2¹ = 2136866054399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2136866054431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143705395 + ... + 143720263.

It is an arithmetic number, because the mean of its divisors is an integer number (143965421740).

Almost surely, 2^{2136866054401} is an apocalyptic number.

It is an amenable number.

2136866054401 is a deficient number, since it is larger than the sum of its proper divisors (166580693439).

2136866054401 is a wasteful number, since it uses less digits than its factorization.

2136866054401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24736.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 2136866054401 in words is "two trillion, one hundred thirty-six billion, eight hundred sixty-six million, fifty-four thousand, four hundred one".