2661314534201 has 16 divisors (see below), whose sum is σ = 2681193493440. Its totient is φ = 2641513566720.

The previous prime is 2661314534183. The next prime is 2661314534237. The reversal of 2661314534201 is 1024354131662.

It is a cyclic number.

It is not a de Polignac number, because 2661314534201 - 2¹⁰ = 2661314533177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2661314534401) 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, 127489901 + ... + 127510773.

It is an arithmetic number, because the mean of its divisors is an integer number (167574593340).

Almost surely, 2^{2661314534201} is an apocalyptic number.

It is an amenable number.

2661314534201 is a deficient number, since it is larger than the sum of its proper divisors (19878959239).

2661314534201 is a wasteful number, since it uses less digits than its factorization.

2661314534201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22696.

The product of its (nonzero) digits is 103680, while the sum is 38.

Adding to 2661314534201 its reverse (1024354131662), we get a palindrome (3685668665863).

The spelling of 2661314534201 in words is "two trillion, six hundred sixty-one billion, three hundred fourteen million, five hundred thirty-four thousand, two hundred one".