115819250779722 has 384 divisors, whose sum is σ = 295568372736000. Its totient is φ = 30051271434240.

The previous prime is 115819250779717. The next prime is 115819250779723. The reversal of 115819250779722 is 227977052918511.

115819250779722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×115819250779722² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115819250779723) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11000018554 + ... + 11000029082.

It is an arithmetic number, because the mean of its divisors is an integer number (769709304000).

Almost surely, 2^{115819250779722} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115819250779722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147784186368000).

115819250779722 is an abundant number, since it is smaller than the sum of its proper divisors (179749121956278).

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

115819250779722 is a wasteful number, since it uses less digits than its factorization.

115819250779722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11194 (or 11187 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 66.

The spelling of 115819250779722 in words is "one hundred fifteen trillion, eight hundred nineteen billion, two hundred fifty million, seven hundred seventy-nine thousand, seven hundred twenty-two".