7257212725552 has 20 divisors (see below), whose sum is σ = 14074077204880. Its totient is φ = 3625192801728.

The previous prime is 7257212725547. The next prime is 7257212725583. The reversal of 7257212725552 is 2555272127527.

It is a self number, because there is not a number n which added to its sum of digits gives 7257212725552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213330027 + ... + 213364042.

It is an arithmetic number, because the mean of its divisors is an integer number (703703860244).

Almost surely, 2^{7257212725552} is an apocalyptic number.

It is an amenable number.

7257212725552 is a deficient number, since it is larger than the sum of its proper divisors (6816864479328).

7257212725552 is a wasteful number, since it uses less digits than its factorization.

7257212725552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426695140 (or 426695134 counting only the distinct ones).

The product of its digits is 6860000, while the sum is 52.

The spelling of 7257212725552 in words is "seven trillion, two hundred fifty-seven billion, two hundred twelve million, seven hundred twenty-five thousand, five hundred fifty-two".