115877681549 has 8 divisors (see below), whose sum is σ = 132433967808. Its totient is φ = 99321978240.

The previous prime is 115877681539. The next prime is 115877681561. The reversal of 115877681549 is 945186778511.

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

It is a cyclic number.

It is not a de Polignac number, because 115877681549 - 2⁴ = 115877681533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115877681491 and 115877681500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115877681539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433949 + ... + 648125.

It is an arithmetic number, because the mean of its divisors is an integer number (16554245976).

Almost surely, 2^115877681549 is an apocalyptic number.

It is an amenable number.

115877681549 is a deficient number, since it is larger than the sum of its proper divisors (16556286259).

115877681549 is an equidigital number, since it uses as much as digits as its factorization.

115877681549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291475.

The product of its digits is 16934400, while the sum is 62.

The spelling of 115877681549 in words is "one hundred fifteen billion, eight hundred seventy-seven million, six hundred eighty-one thousand, five hundred forty-nine".