115616522013 has 8 divisors (see below), whose sum is σ = 154304597568. Its totient is φ = 77003063904.

The previous prime is 115616521973. The next prime is 115616522023. The reversal of 115616522013 is 310225616511.

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

It is not a de Polignac number, because 115616522013 - 2¹² = 115616517917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115616522023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18650745 + ... + 18656942.

It is an arithmetic number, because the mean of its divisors is an integer number (19288074696).

Almost surely, 2^115616522013 is an apocalyptic number.

It is an amenable number.

115616522013 is a deficient number, since it is larger than the sum of its proper divisors (38688075555).

115616522013 is a wasteful number, since it uses less digits than its factorization.

115616522013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37308723.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 115616522013 in words is "one hundred fifteen billion, six hundred sixteen million, five hundred twenty-two thousand, thirteen".