252112111453 has 4 divisors (see below), whose sum is σ = 252141562048. Its totient is φ = 252082660860.

The previous prime is 252112111429. The next prime is 252112111483. The reversal of 252112111453 is 354111211252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252112111453 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 (252112111403) 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, 14712453 + ... + 14729578.

It is an arithmetic number, because the mean of its divisors is an integer number (63035390512).

Almost surely, 2^252112111453 is an apocalyptic number.

It is an amenable number.

252112111453 is a deficient number, since it is larger than the sum of its proper divisors (29450595).

252112111453 is an equidigital number, since it uses as much as digits as its factorization.

252112111453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29450594.

The product of its digits is 2400, while the sum is 28.

The spelling of 252112111453 in words is "two hundred fifty-two billion, one hundred twelve million, one hundred eleven thousand, four hundred fifty-three".