115011244242521 has 16 divisors (see below), whose sum is σ = 127340113195008. Its totient is φ = 102994608406800.

The previous prime is 115011244242467. The next prime is 115011244242541. The reversal of 115011244242521 is 125242442110511.

It is not a de Polignac number, because 115011244242521 - 2¹⁰ = 115011244241497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115011244242541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230330636 + ... + 230829426.

It is an arithmetic number, because the mean of its divisors is an integer number (7958757074688).

Almost surely, 2^{115011244242521} is an apocalyptic number.

115011244242521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115011244242521 is a deficient number, since it is larger than the sum of its proper divisors (12328868952487).

115011244242521 is a wasteful number, since it uses less digits than its factorization.

115011244242521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811732.

The product of its (nonzero) digits is 25600, while the sum is 35.

The spelling of 115011244242521 in words is "one hundred fifteen trillion, eleven billion, two hundred forty-four million, two hundred forty-two thousand, five hundred twenty-one".