24715135901 has 2 divisors, whose sum is σ = 24715135902. Its totient is φ = 24715135900.

The previous prime is 24715135889. The next prime is 24715135909. The reversal of 24715135901 is 10953151742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13196265625 + 11518870276 = 114875^2 + 107326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24715135901 is a prime.

It is a super-2 number, since 2×24715135901² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24715135909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12357567950 + 12357567951.

It is an arithmetic number, because the mean of its divisors is an integer number (12357567951).

Almost surely, 2^24715135901 is an apocalyptic number.

It is an amenable number.

24715135901 is a deficient number, since it is larger than the sum of its proper divisors (1).

24715135901 is an equidigital number, since it uses as much as digits as its factorization.

24715135901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 24715135901 in words is "twenty-four billion, seven hundred fifteen million, one hundred thirty-five thousand, nine hundred one".