84152129911 has 24 divisors (see below), whose sum is σ = 94633038720. Its totient is φ = 74482719696.

The previous prime is 84152129909. The next prime is 84152130001. The reversal of 84152129911 is 11992125148.

It is not a de Polignac number, because 84152129911 - 2¹ = 84152129909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84152129011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755940 + ... + 860086.

It is an arithmetic number, because the mean of its divisors is an integer number (3943043280).

Almost surely, 2^84152129911 is an apocalyptic number.

84152129911 is a deficient number, since it is larger than the sum of its proper divisors (10480908809).

84152129911 is a wasteful number, since it uses less digits than its factorization.

84152129911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104275 (or 104232 counting only the distinct ones).

The product of its digits is 51840, while the sum is 43.

The spelling of 84152129911 in words is "eighty-four billion, one hundred fifty-two million, one hundred twenty-nine thousand, nine hundred eleven".