115775557285860 has 192 divisors, whose sum is σ = 361231073280000. Its totient is φ = 30784318247808.

The previous prime is 115775557285819. The next prime is 115775557285877. The reversal of 115775557285860 is 68582755577511.

115775557285860 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 7 + 5 + 557 + 2 + 8 + 5 + 8 + 60 = 666.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2349364701 + ... + 2349413979.

It is an arithmetic number, because the mean of its divisors is an integer number (1881411840000).

Almost surely, 2^{115775557285860} is an apocalyptic number.

115775557285860 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 115775557285860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180615536640000).

115775557285860 is an abundant number, since it is smaller than the sum of its proper divisors (245455515994140).

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

115775557285860 is a wasteful number, since it uses less digits than its factorization.

115775557285860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61775 (or 61767 counting only the distinct ones).

The product of its (nonzero) digits is 823200000, while the sum is 72.

The spelling of 115775557285860 in words is "one hundred fifteen trillion, seven hundred seventy-five billion, five hundred fifty-seven million, two hundred eighty-five thousand, eight hundred sixty".