115266365500 has 288 divisors, whose sum is σ = 299130511680. Its totient is φ = 38463360000.

The previous prime is 115266365491. The next prime is 115266365521. The reversal of 115266365500 is 5563662511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 250035270 + ... + 250035730.

It is an arithmetic number, because the mean of its divisors is an integer number (1038647610).

Almost surely, 2^115266365500 is an apocalyptic number.

115266365500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115266365500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149565255840).

115266365500 is an abundant number, since it is smaller than the sum of its proper divisors (183864146180).

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

115266365500 is a wasteful number, since it uses less digits than its factorization.

115266365500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 115266365500 in words is "one hundred fifteen billion, two hundred sixty-six million, three hundred sixty-five thousand, five hundred".