118300838553 has 16 divisors (see below), whose sum is σ = 175275720960. Its totient is φ = 78860377008.

The previous prime is 118300838543. The next prime is 118300838639. The reversal of 118300838553 is 355838003811.

118300838553 is a `hidden beast` number, since 1 + 18 + 3 + 0 + 0 + 83 + 8 + 553 = 666.

It is not a de Polignac number, because 118300838553 - 2²⁹ = 117763967641 is a prime.

It is a super-2 number, since 2×118300838553² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118300838499 and 118300838508.

It is not an unprimeable number, because it can be changed into a prime (118300838543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136651 + ... + 505247.

It is an arithmetic number, because the mean of its divisors is an integer number (10954732560).

Almost surely, 2^118300838553 is an apocalyptic number.

It is an amenable number.

118300838553 is a deficient number, since it is larger than the sum of its proper divisors (56974882407).

118300838553 is a wasteful number, since it uses less digits than its factorization.

118300838553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380493 (or 380487 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 118300838553 in words is "one hundred eighteen billion, three hundred million, eight hundred thirty-eight thousand, five hundred fifty-three".