6311561360 has 80 divisors (see below), whose sum is σ = 16634976960. Its totient is φ = 2207761920.

The previous prime is 6311561327. The next prime is 6311561369. The reversal of 6311561360 is 631651136.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (6311561369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139946 + ... + 179465.

It is an arithmetic number, because the mean of its divisors is an integer number (207937212).

Almost surely, 2^6311561360 is an apocalyptic number.

It is an amenable number.

6311561360 is an abundant number, since it is smaller than the sum of its proper divisors (10323415600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6311561360 is a wasteful number, since it uses less digits than its factorization.

6311561360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319456 (or 319450 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 6311561360 is about 79445.3356717687. The cubic root of 6311561360 is about 1848.0438402798.

The spelling of 6311561360 in words is "six billion, three hundred eleven million, five hundred sixty-one thousand, three hundred sixty".