63055785861 has 12 divisors (see below), whose sum is σ = 95040605088. Its totient is φ = 40209486504.

The previous prime is 63055785839. The next prime is 63055785889. The reversal of 63055785861 is 16858755036.

63055785861 is a `hidden beast` number, since 6 + 3 + 0 + 5 + 57 + 8 + 586 + 1 = 666.

It is not a de Polignac number, because 63055785861 - 2⁶ = 63055785797 is a prime.

It is a super-2 number, since 2×63055785861² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63055785798 and 63055785807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63055781861) 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, 152308455 + ... + 152308868.

It is an arithmetic number, because the mean of its divisors is an integer number (7920050424).

Almost surely, 2^63055785861 is an apocalyptic number.

It is an amenable number.

63055785861 is a deficient number, since it is larger than the sum of its proper divisors (31984819227).

63055785861 is a wasteful number, since it uses less digits than its factorization.

63055785861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304617352 (or 304617349 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 63055785861 in words is "sixty-three billion, fifty-five million, seven hundred eighty-five thousand, eight hundred sixty-one".