115507197906 has 8 divisors (see below), whose sum is σ = 231014395824. Its totient is φ = 38502399300.

The previous prime is 115507197847. The next prime is 115507197907. The reversal of 115507197906 is 609791705511.

115507197906 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

115507197906 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (115507197907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9625599820 + ... + 9625599831.

It is an arithmetic number, because the mean of its divisors is an integer number (28876799478).

Almost surely, 2^115507197906 is an apocalyptic number.

115507197906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115507197906 is a wasteful number, since it uses less digits than its factorization.

115507197906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19251199656.

The product of its (nonzero) digits is 595350, while the sum is 51.

The spelling of 115507197906 in words is "one hundred fifteen billion, five hundred seven million, one hundred ninety-seven thousand, nine hundred six".