63216053811 has 24 divisors (see below), whose sum is σ = 95072664960. Its totient is φ = 40442083200.

The previous prime is 63216053809. The next prime is 63216053819. The reversal of 63216053811 is 11835061236.

63216053811 is a `hidden beast` number, since 6 + 3 + 2 + 1 + 605 + 38 + 11 = 666.

It is not a de Polignac number, because 63216053811 - 2¹ = 63216053809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63216053819) 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 23 ways as a sum of consecutive naturals, for example, 1381731 + ... + 1426748.

It is an arithmetic number, because the mean of its divisors is an integer number (3961361040).

Almost surely, 2^63216053811 is an apocalyptic number.

63216053811 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

63216053811 is a deficient number, since it is larger than the sum of its proper divisors (31856611149).

63216053811 is a wasteful number, since it uses less digits than its factorization.

63216053811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808587 (or 2808584 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 63216053811 in words is "sixty-three billion, two hundred sixteen million, fifty-three thousand, eight hundred eleven".