3111564960 has 288 divisors, whose sum is σ = 12179486592. Its totient is φ = 708618240.

The previous prime is 3111564941. The next prime is 3111564971. The reversal of 3111564960 is 694651113.

3111564960 is a `hidden beast` number, since 3 + 1 + 1 + 1 + 5 + 649 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4707030 + ... + 4707690.

It is an arithmetic number, because the mean of its divisors is an integer number (42289884).

Almost surely, 2^3111564960 is an apocalyptic number.

3111564960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3111564960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6089743296).

3111564960 is an abundant number, since it is smaller than the sum of its proper divisors (9067921632).

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

3111564960 is a wasteful number, since it uses less digits than its factorization.

3111564960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 3111564960 is about 55781.4033527304. The cubic root of 3111564960 is about 1459.9106969835.

The spelling of 3111564960 in words is "three billion, one hundred eleven million, five hundred sixty-four thousand, nine hundred sixty".