24152661020561 has 4 divisors (see below), whose sum is σ = 24152697154800. Its totient is φ = 24152624886324.

The previous prime is 24152661020507. The next prime is 24152661020629. The reversal of 24152661020561 is 16502016625142.

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.

It is a cyclic number.

It is not a de Polignac number, because 24152661020561 - 2⁶ = 24152661020497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24152661020161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17045231 + ... + 18407748.

It is an arithmetic number, because the mean of its divisors is an integer number (6038174288700).

Almost surely, 2^{24152661020561} is an apocalyptic number.

It is an amenable number.

24152661020561 is a deficient number, since it is larger than the sum of its proper divisors (36134239).

24152661020561 is an equidigital number, since it uses as much as digits as its factorization.

24152661020561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36134238.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 24152661020561 in words is "twenty-four trillion, one hundred fifty-two billion, six hundred sixty-one million, twenty thousand, five hundred sixty-one".