53640113512 has 16 divisors (see below), whose sum is σ = 100768263300. Its totient is φ = 26768576640.

The previous prime is 53640113509. The next prime is 53640113519. The reversal of 53640113512 is 21531104635.

It can be written as a sum of positive squares in 2 ways, for example, as 51844557636 + 1795555876 = 227694^2 + 42374^2 .

It is not an unprimeable number, because it can be changed into a prime (53640113519) 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 3 ways as a sum of consecutive naturals, for example, 6430587 + ... + 6438922.

Almost surely, 2^53640113512 is an apocalyptic number.

It is an amenable number.

53640113512 is a deficient number, since it is larger than the sum of its proper divisors (47128149788).

53640113512 is a wasteful number, since it uses less digits than its factorization.

53640113512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12870036 (or 12870032 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 53640113512 in words is "fifty-three billion, six hundred forty million, one hundred thirteen thousand, five hundred twelve".