115123002365501 has 24 divisors (see below), whose sum is σ = 125948077050600. Its totient is φ = 105169253769216.

The previous prime is 115123002365473. The next prime is 115123002365611. The reversal of 115123002365501 is 105563200321511.

It can be written as a sum of positive squares in 12 ways, for example, as 99458235765625 + 15664766599876 = 9972875^2 + 3957874^2 .

It is a de Polignac number, because none of the positive numbers 2^k-115123002365501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115123002365101) 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 23 ways as a sum of consecutive naturals, for example, 1063015511 + ... + 1063123803.

It is an arithmetic number, because the mean of its divisors is an integer number (5247836543775).

Almost surely, 2^{115123002365501} is an apocalyptic number.

It is an amenable number.

115123002365501 is a deficient number, since it is larger than the sum of its proper divisors (10825074685099).

115123002365501 is a wasteful number, since it uses less digits than its factorization.

115123002365501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173265 (or 173252 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 115123002365501 in words is "one hundred fifteen trillion, one hundred twenty-three billion, two million, three hundred sixty-five thousand, five hundred one".