12453055501 has 4 divisors (see below), whose sum is σ = 12756788604. Its totient is φ = 12149322400.

The previous prime is 12453055499. The next prime is 12453055541. The reversal of 12453055501 is 10555035421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2751002500 + 9702053001 = 52450^2 + 98499^2 .

It is a cyclic number.

It is not a de Polignac number, because 12453055501 - 2¹ = 12453055499 is a prime.

It is a super-2 number, since 2×12453055501² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453055541) 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, 151866490 + ... + 151866571.

It is an arithmetic number, because the mean of its divisors is an integer number (3189197151).

Almost surely, 2^12453055501 is an apocalyptic number.

It is an amenable number.

12453055501 is a deficient number, since it is larger than the sum of its proper divisors (303733103).

12453055501 is an equidigital number, since it uses as much as digits as its factorization.

12453055501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303733102.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 12453055501 in words is "twelve billion, four hundred fifty-three million, fifty-five thousand, five hundred one".