12025511453 has 4 divisors (see below), whose sum is σ = 12037313760. Its totient is φ = 12013709148.

The previous prime is 12025511447. The next prime is 12025511473. The reversal of 12025511453 is 35411552021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35411552021 = 131 ⋅270317191.

It is a cyclic number.

It is not a de Polignac number, because 12025511453 - 2⁶ = 12025511389 is a prime.

It is a super-2 number, since 2×12025511453² (a number of 21 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 (12025511423) 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, 5899625 + ... + 5901662.

It is an arithmetic number, because the mean of its divisors is an integer number (3009328440).

Almost surely, 2^12025511453 is an apocalyptic number.

It is an amenable number.

12025511453 is a deficient number, since it is larger than the sum of its proper divisors (11802307).

12025511453 is a wasteful number, since it uses less digits than its factorization.

12025511453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11802306.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 12025511453 in words is "twelve billion, twenty-five million, five hundred eleven thousand, four hundred fifty-three".