11131165620644 has 24 divisors (see below), whose sum is σ = 19527833182200. Its totient is φ = 5551799788800.

The previous prime is 11131165620629. The next prime is 11131165620671. The reversal of 11131165620644 is 44602656113111.

11131165620644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7558309580644 + 3572856040000 = 2749238^2 + 1890200^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070762 + ... + 4838270.

It is an arithmetic number, because the mean of its divisors is an integer number (813659715925).

Almost surely, 2^{11131165620644} is an apocalyptic number.

It is an amenable number.

11131165620644 is a deficient number, since it is larger than the sum of its proper divisors (8396667561556).

11131165620644 is a wasteful number, since it uses less digits than its factorization.

11131165620644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769343 (or 3769341 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 11131165620644 in words is "eleven trillion, one hundred thirty-one billion, one hundred sixty-five million, six hundred twenty thousand, six hundred forty-four".