252116661202601 has 12 divisors (see below), whose sum is σ = 273031100317008. Its totient is φ = 232698320537904.

The previous prime is 252116661202591. The next prime is 252116661202621. The reversal of 252116661202601 is 106202166611252.

It is not a de Polignac number, because 252116661202601 - 2⁶ = 252116661202537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252116661202621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77737415 + ... + 80915628.

It is an arithmetic number, because the mean of its divisors is an integer number (22752591693084).

Almost surely, 2^{252116661202601} is an apocalyptic number.

It is an amenable number.

252116661202601 is a deficient number, since it is larger than the sum of its proper divisors (20914439114407).

252116661202601 is a wasteful number, since it uses less digits than its factorization.

252116661202601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158662472 (or 158662459 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 252116661202601 in words is "two hundred fifty-two trillion, one hundred sixteen billion, six hundred sixty-one million, two hundred two thousand, six hundred one".