12534454053 has 16 divisors (see below), whose sum is σ = 20257704000. Its totient is φ = 7596638640.

The previous prime is 12534453989. The next prime is 12534454069. The reversal of 12534454053 is 35045443521.

12534454053 is a `hidden beast` number, since 1 + 25 + 3 + 44 + 540 + 53 = 666.

It is not a de Polignac number, because 12534454053 - 2⁶ = 12534453989 is a prime.

It is a super-2 number, since 2×12534454053² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12534453999 and 12534454017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534454453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21101478 + ... + 21102071.

It is an arithmetic number, because the mean of its divisors is an integer number (1266106500).

Almost surely, 2^12534454053 is an apocalyptic number.

It is an amenable number.

12534454053 is a deficient number, since it is larger than the sum of its proper divisors (7723249947).

12534454053 is a wasteful number, since it uses less digits than its factorization.

12534454053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42203569 (or 42203563 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 12534454053 its reverse (35045443521), we get a palindrome (47579897574).

The spelling of 12534454053 in words is "twelve billion, five hundred thirty-four million, four hundred fifty-four thousand, fifty-three".