24540561157 has 16 divisors (see below), whose sum is σ = 29700311040. Its totient is φ = 19794647808.

The previous prime is 24540561127. The next prime is 24540561161. The reversal of 24540561157 is 75116504542.

It is a cyclic number.

It is not a de Polignac number, because 24540561157 - 2²³ = 24532172549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24540561127) 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, 1495644 + ... + 1511962.

It is an arithmetic number, because the mean of its divisors is an integer number (1856269440).

Almost surely, 2^24540561157 is an apocalyptic number.

It is an amenable number.

24540561157 is a deficient number, since it is larger than the sum of its proper divisors (5159749883).

24540561157 is a wasteful number, since it uses less digits than its factorization.

24540561157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28980.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 24540561157 in words is "twenty-four billion, five hundred forty million, five hundred sixty-one thousand, one hundred fifty-seven".