48911216964481 has 4 divisors (see below), whose sum is σ = 48911231097792. Its totient is φ = 48911202831172.

The previous prime is 48911216964433. The next prime is 48911216964503. The reversal of 48911216964481 is 18446961211984.

48911216964481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 48911216964481 - 2³⁷ = 48773778011009 is a prime.

It is a super-2 number, since 2×48911216964481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48911216994481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2013660 + ... + 10093426.

It is an arithmetic number, because the mean of its divisors is an integer number (12227807774448).

Almost surely, 2^{48911216964481} is an apocalyptic number.

It is an amenable number.

48911216964481 is a deficient number, since it is larger than the sum of its proper divisors (14133311).

48911216964481 is an equidigital number, since it uses as much as digits as its factorization.

48911216964481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14133310.

The product of its digits is 23887872, while the sum is 64.

The spelling of 48911216964481 in words is "forty-eight trillion, nine hundred eleven billion, two hundred sixteen million, nine hundred sixty-four thousand, four hundred eighty-one".