63630636666111 has 28 divisors (see below), whose sum is σ = 95413985828280. Its totient is φ = 42415233964560.

The previous prime is 63630636666101. The next prime is 63630636666119. The reversal of 63630636666111 is 11166663603636.

It is not a de Polignac number, because 63630636666111 - 2³¹ = 63628489182463 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63630636666119) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 626581 + ... + 11298401.

It is an arithmetic number, because the mean of its divisors is an integer number (3407642351010).

Almost surely, 2^{63630636666111} is an apocalyptic number.

63630636666111 is a deficient number, since it is larger than the sum of its proper divisors (31783349162169).

63630636666111 is an equidigital number, since it uses as much as digits as its factorization.

63630636666111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10680018 (or 10680003 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 54.

The spelling of 63630636666111 in words is "sixty-three trillion, six hundred thirty billion, six hundred thirty-six million, six hundred sixty-six thousand, one hundred eleven".