63113280064 has 28 divisors (see below), whose sum is σ = 125249375104. Its totient is φ = 31554382464.

The previous prime is 63113280053. The next prime is 63113280107. The reversal of 63113280064 is 46008231136.

It is a happy number.

It is a super-2 number, since 2×63113280064² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203577 + ... + 1254919.

It is an arithmetic number, because the mean of its divisors is an integer number (4473191968).

Almost surely, 2^63113280064 is an apocalyptic number.

63113280064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

63113280064 is a deficient number, since it is larger than the sum of its proper divisors (62136095040).

63113280064 is a wasteful number, since it uses less digits than its factorization.

63113280064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70562 (or 70552 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 63113280064 in words is "sixty-three billion, one hundred thirteen million, two hundred eighty thousand, sixty-four".