1563863163231 has 16 divisors (see below), whose sum is σ = 2130001413120. Its totient is φ = 1020308661120.

The previous prime is 1563863163227. The next prime is 1563863163287. The reversal of 1563863163231 is 1323613683651.

It is not a de Polignac number, because 1563863163231 - 2² = 1563863163227 is a prime.

It is a super-2 number, since 2×1563863163231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563863163211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19770810 + ... + 19849751.

It is an arithmetic number, because the mean of its divisors is an integer number (133125088320).

Almost surely, 2^{1563863163231} is an apocalyptic number.

1563863163231 is a deficient number, since it is larger than the sum of its proper divisors (566138249889).

1563863163231 is a wasteful number, since it uses less digits than its factorization.

1563863163231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39620846.

The product of its digits is 1399680, while the sum is 48.

The spelling of 1563863163231 in words is "one trillion, five hundred sixty-three billion, eight hundred sixty-three million, one hundred sixty-three thousand, two hundred thirty-one".