115555644057 has 24 divisors (see below), whose sum is σ = 185840193216. Its totient is φ = 62556434784.

The previous prime is 115555644041. The next prime is 115555644109. The reversal of 115555644057 is 750446555511.

It is not a de Polignac number, because 115555644057 - 2⁴ = 115555644041 is a prime.

It is a super-4 number, since 4×115555644057⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115555643997 and 115555644015.

It is not an unprimeable number, because it can be changed into a prime (115555643057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7613818 + ... + 7628979.

It is an arithmetic number, because the mean of its divisors is an integer number (7743341384).

Almost surely, 2^115555644057 is an apocalyptic number.

It is an amenable number.

115555644057 is a deficient number, since it is larger than the sum of its proper divisors (70284549159).

115555644057 is a wasteful number, since it uses less digits than its factorization.

115555644057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15242845 (or 15242826 counting only the distinct ones).

The product of its (nonzero) digits is 2100000, while the sum is 48.

The spelling of 115555644057 in words is "one hundred fifteen billion, five hundred fifty-five million, six hundred forty-four thousand, fifty-seven".