115120201501 has 4 divisors (see below), whose sum is σ = 115223264572. Its totient is φ = 115017138432.

The previous prime is 115120201447. The next prime is 115120201517. The reversal of 115120201501 is 105102021511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105102021511 = 11087 ⋅9479753.

It can be written as a sum of positive squares in 2 ways, for example, as 23816514276 + 91303687225 = 154326^2 + 302165^2 .

It is a cyclic number.

It is not a de Polignac number, because 115120201501 - 2⁹ = 115120200989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115120201541) 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 3 ways as a sum of consecutive naturals, for example, 51529860 + ... + 51532093.

It is an arithmetic number, because the mean of its divisors is an integer number (28805816143).

Almost surely, 2^115120201501 is an apocalyptic number.

It is an amenable number.

115120201501 is a deficient number, since it is larger than the sum of its proper divisors (103063071).

115120201501 is a wasteful number, since it uses less digits than its factorization.

115120201501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103063070.

The product of its (nonzero) digits is 100, while the sum is 19.

The spelling of 115120201501 in words is "one hundred fifteen billion, one hundred twenty million, two hundred one thousand, five hundred one".