152081111 has 16 divisors (see below), whose sum is σ = 197030400. Its totient is φ = 113993568.

The previous prime is 152081107. The next prime is 152081123. The reversal of 152081111 is 111180251.

It is not a de Polignac number, because 152081111 - 2² = 152081107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152081141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42251 + ... + 45708.

It is an arithmetic number, because the mean of its divisors is an integer number (12314400).

Almost surely, 2^152081111 is an apocalyptic number.

152081111 is a deficient number, since it is larger than the sum of its proper divisors (44949289).

152081111 is a wasteful number, since it uses less digits than its factorization.

152081111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87998.

The product of its (nonzero) digits is 80, while the sum is 20.

The square root of 152081111 is about 12332.1170526394. The cubic root of 152081111 is about 533.7752412527.

The spelling of 152081111 in words is "one hundred fifty-two million, eighty-one thousand, one hundred eleven".