115551727677 has 6 divisors (see below), whose sum is σ = 166908051102. Its totient is φ = 77034485112.

The previous prime is 115551727673. The next prime is 115551727721. The reversal of 115551727677 is 776727155511.

115551727677 is a `hidden beast` number, since 1 + 1 + 5 + 551 + 7 + 27 + 67 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115128561636 + 423166041 = 339306^2 + 20571^2 .

It is not a de Polignac number, because 115551727677 - 2² = 115551727673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115551727673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6419540418 + ... + 6419540435.

It is an arithmetic number, because the mean of its divisors is an integer number (27818008517).

Almost surely, 2^115551727677 is an apocalyptic number.

It is an amenable number.

115551727677 is a deficient number, since it is larger than the sum of its proper divisors (51356323425).

115551727677 is a wasteful number, since it uses less digits than its factorization.

115551727677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12839080859 (or 12839080856 counting only the distinct ones).

The product of its digits is 3601500, while the sum is 54.

The spelling of 115551727677 in words is "one hundred fifteen billion, five hundred fifty-one million, seven hundred twenty-seven thousand, six hundred seventy-seven".