8660552009725 has 48 divisors (see below), whose sum is σ = 13820891406336. Its totient is φ = 5224631256000.

The previous prime is 8660552009687. The next prime is 8660552009737. The reversal of 8660552009725 is 5279002550668.

It is not a de Polignac number, because 8660552009725 - 2⁷ = 8660552009597 is a prime.

It is a super-2 number, since 2×8660552009725² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72504649 + ... + 72623998.

It is an arithmetic number, because the mean of its divisors is an integer number (287935237632).

Almost surely, 2^{8660552009725} is an apocalyptic number.

It is an amenable number.

8660552009725 is a deficient number, since it is larger than the sum of its proper divisors (5160339396611).

8660552009725 is a wasteful number, since it uses less digits than its factorization.

8660552009725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145128706 (or 145128701 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 8660552009725 in words is "eight trillion, six hundred sixty billion, five hundred fifty-two million, nine thousand, seven hundred twenty-five".