252112155019 has 4 divisors (see below), whose sum is σ = 252118530720. Its totient is φ = 252105779320.

The previous prime is 252112154993. The next prime is 252112155047. The reversal of 252112155019 is 910551211252.

252112155019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252112155019 - 2⁹ = 252112154507 is a prime.

It is a super-2 number, since 2×252112155019² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252112155419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128164 + ... + 3207745.

It is an arithmetic number, because the mean of its divisors is an integer number (63029632680).

Almost surely, 2^252112155019 is an apocalyptic number.

252112155019 is a deficient number, since it is larger than the sum of its proper divisors (6375701).

252112155019 is an equidigital number, since it uses as much as digits as its factorization.

252112155019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375700.

The product of its (nonzero) digits is 9000, while the sum is 34.

The spelling of 252112155019 in words is "two hundred fifty-two billion, one hundred twelve million, one hundred fifty-five thousand, nineteen".