2183357802561 has 32 divisors (see below), whose sum is σ = 3195229282560. Its totient is φ = 1317841484544.

The previous prime is 2183357802559. The next prime is 2183357802641. The reversal of 2183357802561 is 1652087533812.

It is a happy number.

It is not a de Polignac number, because 2183357802561 - 2¹ = 2183357802559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2183357802361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6510780 + ... + 6837906.

It is an arithmetic number, because the mean of its divisors is an integer number (99850915080).

Almost surely, 2^{2183357802561} is an apocalyptic number.

It is an amenable number.

2183357802561 is a deficient number, since it is larger than the sum of its proper divisors (1011871479999).

2183357802561 is a wasteful number, since it uses less digits than its factorization.

2183357802561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330425.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 2183357802561 in words is "two trillion, one hundred eighty-three billion, three hundred fifty-seven million, eight hundred two thousand, five hundred sixty-one".