63111666010231 has 8 divisors (see below), whose sum is σ = 64513763205120. Its totient is φ = 61712039473368.

The previous prime is 63111666010229. The next prime is 63111666010241. The reversal of 63111666010231 is 13201066611136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63111666010231 - 2¹ = 63111666010229 is a prime.

It is a super-2 number, since 2×63111666010231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63111666010241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617612851 + ... + 617715028.

It is an arithmetic number, because the mean of its divisors is an integer number (8064220400640).

Almost surely, 2^{63111666010231} is an apocalyptic number.

63111666010231 is a deficient number, since it is larger than the sum of its proper divisors (1402097194889).

63111666010231 is a wasteful number, since it uses less digits than its factorization.

63111666010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235329013.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 63111666010231 in words is "sixty-three trillion, one hundred eleven billion, six hundred sixty-six million, ten thousand, two hundred thirty-one".