12453111045 has 32 divisors (see below), whose sum is σ = 22225069440. Its totient is φ = 6615797760.

The previous prime is 12453110987. The next prime is 12453111049. The reversal of 12453111045 is 54011135421.

12453111045 is a `hidden beast` number, since 1 + 24 + 531 + 1 + 104 + 5 = 666.

It is not a de Polignac number, because 12453111045 - 2¹⁸ = 12452848901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453111049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144771 + ... + 214160.

It is an arithmetic number, because the mean of its divisors is an integer number (694533420).

Almost surely, 2^12453111045 is an apocalyptic number.

12453111045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12453111045 is a deficient number, since it is larger than the sum of its proper divisors (9771958395).

12453111045 is a wasteful number, since it uses less digits than its factorization.

12453111045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359202 (or 359196 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 12453111045 its reverse (54011135421), we get a palindrome (66464246466).

The spelling of 12453111045 in words is "twelve billion, four hundred fifty-three million, one hundred eleven thousand, forty-five".