63320975811 has 12 divisors (see below), whose sum is σ = 96843845592. Its totient is φ = 39730808256.

The previous prime is 63320975801. The next prime is 63320975821. The reversal of 63320975811 is 11857902336.

63320975811 is a `hidden beast` number, since 63 + 3 + 2 + 0 + 9 + 7 + 581 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (63320975801) and next prime (63320975821).

It is a de Polignac number, because none of the positive numbers 2^k-63320975811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63320975801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206931141 + ... + 206931446.

It is an arithmetic number, because the mean of its divisors is an integer number (8070320466).

Almost surely, 2^63320975811 is an apocalyptic number.

63320975811 is a deficient number, since it is larger than the sum of its proper divisors (33522869781).

63320975811 is a wasteful number, since it uses less digits than its factorization.

63320975811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413862610 (or 413862607 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 63320975811 in words is "sixty-three billion, three hundred twenty million, nine hundred seventy-five thousand, eight hundred eleven".