115791901786620 has 384 divisors, whose sum is σ = 366835875840000. Its totient is φ = 30317445220608.

The previous prime is 115791901786607. The next prime is 115791901786643. The reversal of 115791901786620 is 26687109197511.

115791901786620 is a `hidden beast` number, since 11 + 579 + 19 + 0 + 17 + 8 + 6 + 6 + 20 = 666.

It is a super-2 number, since 2×115791901786620² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5610334261 + ... + 5610354899.

It is an arithmetic number, because the mean of its divisors is an integer number (955301760000).

Almost surely, 2^{115791901786620} is an apocalyptic number.

115791901786620 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 115791901786620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183417937920000).

115791901786620 is an abundant number, since it is smaller than the sum of its proper divisors (251043974053380).

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

115791901786620 is a wasteful number, since it uses less digits than its factorization.

115791901786620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21462 (or 21454 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 63.

The spelling of 115791901786620 in words is "one hundred fifteen trillion, seven hundred ninety-one billion, nine hundred one million, seven hundred eighty-six thousand, six hundred twenty".