23115515241 has 96 divisors (see below), whose sum is σ = 39543977088. Its totient is φ = 11900528640.

The previous prime is 23115515239. The next prime is 23115515263. The reversal of 23115515241 is 14251551132.

It is not a de Polignac number, because 23115515241 - 2¹ = 23115515239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23115515199 and 23115515208.

It is not an unprimeable number, because it can be changed into a prime (23115515201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24408730 + ... + 24409676.

It is an arithmetic number, because the mean of its divisors is an integer number (411916428).

Almost surely, 2^23115515241 is an apocalyptic number.

23115515241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23115515241 is a deficient number, since it is larger than the sum of its proper divisors (16428461847).

23115515241 is a wasteful number, since it uses less digits than its factorization.

23115515241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1264 counting only the distinct ones).

The product of its digits is 6000, while the sum is 30.

The spelling of 23115515241 in words is "twenty-three billion, one hundred fifteen million, five hundred fifteen thousand, two hundred forty-one".