11520666015644 has 6 divisors (see below), whose sum is σ = 20161165527384. Its totient is φ = 5760333007820.

The previous prime is 11520666015589. The next prime is 11520666015667. The reversal of 11520666015644 is 44651066602511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440083251952 + ... + 1440083251959.

It is an arithmetic number, because the mean of its divisors is an integer number (3360194254564).

Almost surely, 2^{11520666015644} is an apocalyptic number.

It is an amenable number.

11520666015644 is a deficient number, since it is larger than the sum of its proper divisors (8640499511740).

11520666015644 is a wasteful number, since it uses less digits than its factorization.

11520666015644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880166503915 (or 2880166503913 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 11520666015644 in words is "eleven trillion, five hundred twenty billion, six hundred sixty-six million, fifteen thousand, six hundred forty-four".