2311563904481 has 8 divisors (see below), whose sum is σ = 2492691272064. Its totient is φ = 2130910074000.

The previous prime is 2311563904313. The next prime is 2311563904483. The reversal of 2311563904481 is 1844093651132.

It is a happy number.

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 2311563904481 - 2¹⁴ = 2311563888097 is a prime.

It is a super-2 number, since 2×2311563904481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311563904483) 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, 118374131 + ... + 118393656.

It is an arithmetic number, because the mean of its divisors is an integer number (311586409008).

Almost surely, 2^{2311563904481} is an apocalyptic number.

It is an amenable number.

2311563904481 is a deficient number, since it is larger than the sum of its proper divisors (181127367583).

2311563904481 is a wasteful number, since it uses less digits than its factorization.

2311563904481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236768551.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 2311563904481 in words is "two trillion, three hundred eleven billion, five hundred sixty-three million, nine hundred four thousand, four hundred eighty-one".