11577375044 has 6 divisors (see below), whose sum is σ = 20260406334. Its totient is φ = 5788687520.

The previous prime is 11577375001. The next prime is 11577375049. The reversal of 11577375044 is 44057377511.

It can be written as a sum of positive squares in only one way, i.e., 9699886144 + 1877488900 = 98488^2 + 43330^2 .

It is a super-2 number, since 2×11577375044² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11577374986 and 11577375004.

It is not an unprimeable number, because it can be changed into a prime (11577375049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1447171877 + ... + 1447171884.

It is an arithmetic number, because the mean of its divisors is an integer number (3376734389).

Almost surely, 2^11577375044 is an apocalyptic number.

It is an amenable number.

11577375044 is a deficient number, since it is larger than the sum of its proper divisors (8683031290).

11577375044 is a wasteful number, since it uses less digits than its factorization.

11577375044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894343765 (or 2894343763 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 11577375044 in words is "eleven billion, five hundred seventy-seven million, three hundred seventy-five thousand, forty-four".