63315515123 has 8 divisors (see below), whose sum is σ = 72362254848. Its totient is φ = 54269191944.

The previous prime is 63315515113. The next prime is 63315515129. The reversal of 63315515123 is 32151551336.

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 63315515123 - 2¹² = 63315511027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63315515129) 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 7 ways as a sum of consecutive naturals, for example, 358790 + ... + 505332.

It is an arithmetic number, because the mean of its divisors is an integer number (9045281856).

Almost surely, 2^63315515123 is an apocalyptic number.

63315515123 is a deficient number, since it is larger than the sum of its proper divisors (9046739725).

63315515123 is a wasteful number, since it uses less digits than its factorization.

63315515123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208273.

The product of its digits is 40500, while the sum is 35.

The spelling of 63315515123 in words is "sixty-three billion, three hundred fifteen million, five hundred fifteen thousand, one hundred twenty-three".