2112357511453 has 4 divisors (see below), whose sum is σ = 2414122870240. Its totient is φ = 1810592152668.

The previous prime is 2112357511441. The next prime is 2112357511457. The reversal of 2112357511453 is 3541157532112.

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 not a de Polignac number, because 2112357511453 - 2⁵ = 2112357511421 is a prime.

It is a super-2 number, since 2×2112357511453² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112357511457) 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, 150882679383 + ... + 150882679396.

It is an arithmetic number, because the mean of its divisors is an integer number (603530717560).

Almost surely, 2^{2112357511453} is an apocalyptic number.

It is an amenable number.

2112357511453 is a deficient number, since it is larger than the sum of its proper divisors (301765358787).

2112357511453 is an equidigital number, since it uses as much as digits as its factorization.

2112357511453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301765358786.

The product of its digits is 126000, while the sum is 40.

The spelling of 2112357511453 in words is "two trillion, one hundred twelve billion, three hundred fifty-seven million, five hundred eleven thousand, four hundred fifty-three".