368158911121 has 9 divisors (see below), whose sum is σ = 369535916649. Its totient is φ = 366787024500.

The previous prime is 368158911119. The next prime is 368158911157. The reversal of 368158911121 is 121119851863.

The square root of 368158911121 is 606761.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 368158911121 - 2¹ = 368158911119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (368158911161) 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 8 ways as a sum of consecutive naturals, for example, 188701696 + ... + 188703646.

Almost surely, 2^368158911121 is an apocalyptic number.

368158911121 is the 606761-st square number.

368158911121 is the 303381-st centered octagonal number.

It is an amenable number.

368158911121 is a deficient number, since it is larger than the sum of its proper divisors (1377005528).

368158911121 is an frugal number, since it uses more digits than its factorization.

368158911121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524 (or 2262 counting only the distinct ones).

The product of its digits is 103680, while the sum is 46.

The spelling of 368158911121 in words is "three hundred sixty-eight billion, one hundred fifty-eight million, nine hundred eleven thousand, one hundred twenty-one".