7211002056 has 32 divisors (see below), whose sum is σ = 18976322400. Its totient is φ = 2277158400.

The previous prime is 7211002033. The next prime is 7211002061. The reversal of 7211002056 is 6502001127.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 7906345 + ... + 7907256.

It is an arithmetic number, because the mean of its divisors is an integer number (593010075).

Almost surely, 2^7211002056 is an apocalyptic number.

7211002056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7211002056 is an abundant number, since it is smaller than the sum of its proper divisors (11765320344).

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

7211002056 is a wasteful number, since it uses less digits than its factorization.

7211002056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813629 (or 15813625 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 7211002056 is about 84917.6192318178. The cubic root of 7211002056 is about 1931.9618212774.

The spelling of 7211002056 in words is "seven billion, two hundred eleven million, two thousand, fifty-six".