1563660141020 has 96 divisors (see below), whose sum is σ = 3426612166656. Its totient is φ = 598877452800.

The previous prime is 1563660141007. The next prime is 1563660141047. The reversal of 1563660141020 is 201410663651.

It is a super-2 number, since 2×1563660141020² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14836229 + ... + 14941251.

It is an arithmetic number, because the mean of its divisors is an integer number (35693876736).

Almost surely, 2^{1563660141020} is an apocalyptic number.

1563660141020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1563660141020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713306083328).

1563660141020 is an abundant number, since it is smaller than the sum of its proper divisors (1862952025636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1563660141020 is a wasteful number, since it uses less digits than its factorization.

1563660141020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105411 (or 105409 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 1563660141020 in words is "one trillion, five hundred sixty-three billion, six hundred sixty million, one hundred forty-one thousand, twenty".