115443520537 has 8 divisors (see below), whose sum is σ = 120583794240. Its totient is φ = 110380544400.

The previous prime is 115443520529. The next prime is 115443520541. The reversal of 115443520537 is 735025344511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115443520537 - 2³ = 115443520529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115443520537.

It is not an unprimeable number, because it can be changed into a prime (115443520547) 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 7 ways as a sum of consecutive naturals, for example, 19321339 + ... + 19327312.

It is an arithmetic number, because the mean of its divisors is an integer number (15072974280).

Almost surely, 2^115443520537 is an apocalyptic number.

It is an amenable number.

115443520537 is a deficient number, since it is larger than the sum of its proper divisors (5140273703).

115443520537 is a wasteful number, since it uses less digits than its factorization.

115443520537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38648783.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 115443520537 in words is "one hundred fifteen billion, four hundred forty-three million, five hundred twenty thousand, five hundred thirty-seven".