152120775716721 has 64 divisors (see below), whose sum is σ = 273879942336000. Its totient is φ = 81461725636608.

The previous prime is 152120775716681. The next prime is 152120775716729. The reversal of 152120775716721 is 127617577021251.

152120775716721 is a `hidden beast` number, since 1 + 5 + 2 + 1 + 2 + 0 + 7 + 7 + 571 + 67 + 2 + 1 = 666.

It is not a de Polignac number, because 152120775716721 - 2¹¹ = 152120775714673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152120775716729) 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 63 ways as a sum of consecutive naturals, for example, 100850946 + ... + 102348203.

It is an arithmetic number, because the mean of its divisors is an integer number (4279374099000).

Almost surely, 2^{152120775716721} is an apocalyptic number.

It is an amenable number.

152120775716721 is a deficient number, since it is larger than the sum of its proper divisors (121759166619279).

152120775716721 is a wasteful number, since it uses less digits than its factorization.

152120775716721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203199415 (or 203199409 counting only the distinct ones).

The product of its (nonzero) digits is 2881200, while the sum is 54.

The spelling of 152120775716721 in words is "one hundred fifty-two trillion, one hundred twenty billion, seven hundred seventy-five million, seven hundred sixteen thousand, seven hundred twenty-one".