63551145361 has 8 divisors (see below), whose sum is σ = 70014944448. Its totient is φ = 57201750000.

The previous prime is 63551145349. The next prime is 63551145367. The reversal of 63551145361 is 16354115536.

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 63551145361 - 2¹⁹ = 63550621073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63551145367) 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 7 ways as a sum of consecutive naturals, for example, 28599765 + ... + 28601986.

It is an arithmetic number, because the mean of its divisors is an integer number (8751868056).

Almost surely, 2^63551145361 is an apocalyptic number.

It is an amenable number.

63551145361 is a deficient number, since it is larger than the sum of its proper divisors (6463799087).

63551145361 is a wasteful number, since it uses less digits than its factorization.

63551145361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57201863.

The product of its digits is 162000, while the sum is 40.

The spelling of 63551145361 in words is "sixty-three billion, five hundred fifty-one million, one hundred forty-five thousand, three hundred sixty-one".