118930646545 has 16 divisors (see below), whose sum is σ = 151124814288. Its totient is φ = 89540116480.

The previous prime is 118930646521. The next prime is 118930646551. The reversal of 118930646545 is 545646039811.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5222085696 + 113708560849 = 72264^2 + 337207^2 .

It is not a de Polignac number, because 118930646545 - 2⁹ = 118930646033 is a prime.

It is a super-2 number, since 2×118930646545² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118930646492 and 118930646501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061967 + ... + 1168603.

It is an arithmetic number, because the mean of its divisors is an integer number (9445300893).

Almost surely, 2^118930646545 is an apocalyptic number.

It is an amenable number.

118930646545 is a deficient number, since it is larger than the sum of its proper divisors (32194167743).

118930646545 is a wasteful number, since it uses less digits than its factorization.

118930646545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119780.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 118930646545 in words is "one hundred eighteen billion, nine hundred thirty million, six hundred forty-six thousand, five hundred forty-five".