7020561057172 has 24 divisors (see below), whose sum is σ = 13231213127496. Its totient is φ = 3240220806528.

The previous prime is 7020561057149. The next prime is 7020561057187. The reversal of 7020561057172 is 2717501650207.

It can be written as a sum of positive squares in 4 ways, for example, as 258293667076 + 6762267390096 = 508226^2 + 2600436^2 .

It is a congruent number.

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, 3933138 + ... + 5432374.

It is an arithmetic number, because the mean of its divisors is an integer number (551300546979).

Almost surely, 2^{7020561057172} is an apocalyptic number.

It is an amenable number.

7020561057172 is a deficient number, since it is larger than the sum of its proper divisors (6210652070324).

7020561057172 is a wasteful number, since it uses less digits than its factorization.

7020561057172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589307 (or 1589305 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 7020561057172 in words is "seven trillion, twenty billion, five hundred sixty-one million, fifty-seven thousand, one hundred seventy-two".