63561938486211 has 12 divisors (see below), whose sum is σ = 100158206099640. Its totient is φ = 38522386961280.

The previous prime is 63561938486201. The next prime is 63561938486239. The reversal of 63561938486211 is 11268483916536.

It is a happy number.

63561938486211 is a `hidden beast` number, since 6 + 3 + 5 + 61 + 93 + 8 + 486 + 2 + 1 + 1 = 666.

It is not a de Polignac number, because 63561938486211 - 2¹³ = 63561938478019 is a prime.

It is a super-2 number, since 2×63561938486211² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63561938486201) 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, 321019891246 + ... + 321019891443.

It is an arithmetic number, because the mean of its divisors is an integer number (8346517174970).

Almost surely, 2^{63561938486211} is an apocalyptic number.

63561938486211 is a deficient number, since it is larger than the sum of its proper divisors (36596267613429).

63561938486211 is a wasteful number, since it uses less digits than its factorization.

63561938486211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642039782706 (or 642039782703 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 63561938486211 in words is "sixty-three trillion, five hundred sixty-one billion, nine hundred thirty-eight million, four hundred eighty-six thousand, two hundred eleven".