63325488501551 has 8 divisors (see below), whose sum is σ = 63824946584064. Its totient is φ = 62826043422240.

The previous prime is 63325488501529. The next prime is 63325488501577. The reversal of 63325488501551 is 15510588452336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63325488501551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63325488501521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6645941 + ... + 13069793.

It is an arithmetic number, because the mean of its divisors is an integer number (7978118323008).

Almost surely, 2^{63325488501551} is an apocalyptic number.

63325488501551 is a deficient number, since it is larger than the sum of its proper divisors (499458082513).

63325488501551 is a wasteful number, since it uses less digits than its factorization.

63325488501551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501601.

The product of its (nonzero) digits is 17280000, while the sum is 56.

The spelling of 63325488501551 in words is "sixty-three trillion, three hundred twenty-five billion, four hundred eighty-eight million, five hundred one thousand, five hundred fifty-one".