7121068560 has 80 divisors (see below), whose sum is σ = 24528132480. Its totient is φ = 1898951040.

The previous prime is 7121068553. The next prime is 7121068573. The reversal of 7121068560 is 658601217.

7121068560 is a `hidden beast` number, since 71 + 21 + 0 + 6 + 8 + 560 = 666.

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

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646236 + ... + 1650555.

It is an arithmetic number, because the mean of its divisors is an integer number (306601656).

Almost surely, 2^7121068560 is an apocalyptic number.

It is an amenable number.

7121068560 is an abundant number, since it is smaller than the sum of its proper divisors (17407063920).

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

7121068560 is a wasteful number, since it uses less digits than its factorization.

7121068560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296813 (or 3296801 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 7121068560 is about 84386.4240266170. The cubic root of 7121068560 is about 1923.8965788551.

Adding to 7121068560 its reverse (658601217), we get a palindrome (7779669777).

The spelling of 7121068560 in words is "seven billion, one hundred twenty-one million, sixty-eight thousand, five hundred sixty".