1122725006661 has 8 divisors (see below), whose sum is σ = 1499597550720. Its totient is φ = 747167900192.

The previous prime is 1122725006651. The next prime is 1122725006707. The reversal of 1122725006661 is 1666005272211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122725006661 - 2¹⁰ = 1122725005637 is a prime.

It is a super-2 number, since 2×1122725006661² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122725006651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328857405 + ... + 328860818.

It is an arithmetic number, because the mean of its divisors is an integer number (187449693840).

Almost surely, 2^{1122725006661} is an apocalyptic number.

It is an amenable number.

1122725006661 is a deficient number, since it is larger than the sum of its proper divisors (376872544059).

1122725006661 is an equidigital number, since it uses as much as digits as its factorization.

1122725006661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657718795.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 1122725006661 in words is "one trillion, one hundred twenty-two billion, seven hundred twenty-five million, six thousand, six hundred sixty-one".