11512512613604 has 6 divisors (see below), whose sum is σ = 20146897073814. Its totient is φ = 5756256306800.

The previous prime is 11512512613603. The next prime is 11512512613697. The reversal of 11512512613604 is 40631621521511.

It can be written as a sum of positive squares in only one way, i.e., 10556325902500 + 956186711104 = 3249050^2 + 977848^2 .

It is not an unprimeable number, because it can be changed into a prime (11512512613601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439064076697 + ... + 1439064076704.

It is an arithmetic number, because the mean of its divisors is an integer number (3357816178969).

Almost surely, 2^{11512512613604} is an apocalyptic number.

It is an amenable number.

11512512613604 is a deficient number, since it is larger than the sum of its proper divisors (8634384460210).

11512512613604 is a wasteful number, since it uses less digits than its factorization.

11512512613604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878128153405 (or 2878128153403 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 11512512613604 in words is "eleven trillion, five hundred twelve billion, five hundred twelve million, six hundred thirteen thousand, six hundred four".