7201528218152 has 8 divisors (see below), whose sum is σ = 13502865409050. Its totient is φ = 3600764109072.

The previous prime is 7201528218097. The next prime is 7201528218161. The reversal of 7201528218152 is 2518128251027.

It can be written as a sum of positive squares in only one way, i.e., 6840767016196 + 360761201956 = 2615486^2 + 600634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450095513627 + ... + 450095513642.

Almost surely, 2^{7201528218152} is an apocalyptic number.

It is an amenable number.

7201528218152 is a deficient number, since it is larger than the sum of its proper divisors (6301337190898).

7201528218152 is a wasteful number, since it uses less digits than its factorization.

7201528218152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900191027275 (or 900191027271 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 44.

The spelling of 7201528218152 in words is "seven trillion, two hundred one billion, five hundred twenty-eight million, two hundred eighteen thousand, one hundred fifty-two".