24130121545 has 4 divisors (see below), whose sum is σ = 28956145860. Its totient is φ = 19304097232.

The previous prime is 24130121503. The next prime is 24130121563. The reversal of 24130121545 is 54512103142.

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 15347245456 + 8782876089 = 123884^2 + 93717^2 .

It is a cyclic number.

It is not a de Polignac number, because 24130121545 - 2⁹ = 24130121033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413012150 + ... + 2413012159.

It is an arithmetic number, because the mean of its divisors is an integer number (7239036465).

Almost surely, 2^24130121545 is an apocalyptic number.

It is an amenable number.

24130121545 is a deficient number, since it is larger than the sum of its proper divisors (4826024315).

24130121545 is an equidigital number, since it uses as much as digits as its factorization.

24130121545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826024314.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 24130121545 its reverse (54512103142), we get a palindrome (78642224687).

The spelling of 24130121545 in words is "twenty-four billion, one hundred thirty million, one hundred twenty-one thousand, five hundred forty-five".