63632642013561 has 16 divisors (see below), whose sum is σ = 89835123760704. Its totient is φ = 39926005561344.

The previous prime is 63632642013553. The next prime is 63632642013569. The reversal of 63632642013561 is 16531024623636.

It is an interprime number because it is at equal distance from previous prime (63632642013553) and next prime (63632642013569).

It is not a de Polignac number, because 63632642013561 - 2³ = 63632642013553 is a prime.

It is a super-2 number, since 2×63632642013561² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63632642013561.

It is not an unprimeable number, because it can be changed into a prime (63632642013569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206505 + ... + 11283081.

It is an arithmetic number, because the mean of its divisors is an integer number (5614695235044).

Almost surely, 2^{63632642013561} is an apocalyptic number.

It is an amenable number.

63632642013561 is a deficient number, since it is larger than the sum of its proper divisors (26202481747143).

63632642013561 is a wasteful number, since it uses less digits than its factorization.

63632642013561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11189240.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 63632642013561 in words is "sixty-three trillion, six hundred thirty-two billion, six hundred forty-two million, thirteen thousand, five hundred sixty-one".