1563135556012 has 12 divisors (see below), whose sum is σ = 2735528018776. Its totient is φ = 781556122080.

The previous prime is 1563135556007. The next prime is 1563135556019. The reversal of 1563135556012 is 2106555313651.

It is a self number, because there is not a number n which added to its sum of digits gives 1563135556012.

It is not an unprimeable number, because it can be changed into a prime (1563135556019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608689 + ... + 3151432.

Almost surely, 2^{1563135556012} is an apocalyptic number.

It is an amenable number.

1563135556012 is a deficient number, since it is larger than the sum of its proper divisors (1172392462764).

1563135556012 is a wasteful number, since it uses less digits than its factorization.

1563135556012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827968 (or 5827966 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 1563135556012 in words is "one trillion, five hundred sixty-three billion, one hundred thirty-five million, five hundred fifty-six thousand, twelve".