63105948211 has 4 divisors (see below), whose sum is σ = 63107137512. Its totient is φ = 63104758912.

The previous prime is 63105948181. The next prime is 63105948221. The reversal of 63105948211 is 11284950136.

63105948211 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.

It is a cyclic number.

It is not a de Polignac number, because 63105948211 - 2²⁵ = 63072393779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63105948221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511150 + ... + 622483.

It is an arithmetic number, because the mean of its divisors is an integer number (15776784378).

Almost surely, 2^63105948211 is an apocalyptic number.

63105948211 is a deficient number, since it is larger than the sum of its proper divisors (1189301).

63105948211 is a wasteful number, since it uses less digits than its factorization.

63105948211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189300.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 63105948211 in words is "sixty-three billion, one hundred five million, nine hundred forty-eight thousand, two hundred eleven".