115505242520505 has 32 divisors (see below), whose sum is σ = 190213151890944. Its totient is φ = 59808400033536.

The previous prime is 115505242520477. The next prime is 115505242520509. The reversal of 115505242520505 is 505025242505511.

It is not a de Polignac number, because 115505242520505 - 2¹⁴ = 115505242504121 is a prime.

It is a super-2 number, since 2×115505242520505² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115505242520509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224492014 + ... + 225005943.

It is an arithmetic number, because the mean of its divisors is an integer number (5944160996592).

Almost surely, 2^{115505242520505} is an apocalyptic number.

115505242520505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115505242520505 is a deficient number, since it is larger than the sum of its proper divisors (74707909370439).

115505242520505 is a wasteful number, since it uses less digits than its factorization.

115505242520505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449498465.

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 115505242520505 in words is "one hundred fifteen trillion, five hundred five billion, two hundred forty-two million, five hundred twenty thousand, five hundred five".