68152111 has 4 divisors (see below), whose sum is σ = 68528824. Its totient is φ = 67775400.

The previous prime is 68152109. The next prime is 68152129. The reversal of 68152111 is 11125186.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68152111 - 2¹ = 68152109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68152171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188085 + ... + 188446.

It is an arithmetic number, because the mean of its divisors is an integer number (17132206).

Almost surely, 2^68152111 is an apocalyptic number.

68152111 is a deficient number, since it is larger than the sum of its proper divisors (376713).

68152111 is a wasteful number, since it uses less digits than its factorization.

68152111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376712.

The product of its digits is 480, while the sum is 25.

The square root of 68152111 is about 8255.4291832708. The cubic root of 68152111 is about 408.4696289519.

Adding to 68152111 its reverse (11125186), we get a palindrome (79277297).

The spelling of 68152111 in words is "sixty-eight million, one hundred fifty-two thousand, one hundred eleven".