11571576496804 has 9 divisors (see below), whose sum is σ = 20250270775371. Its totient is φ = 5785784846700.

The previous prime is 11571576496801. The next prime is 11571576496853. The reversal of 11571576496804 is 40869467517511.

The square root of 11571576496804 is 3401702.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11571576496801) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5952979 + ... + 7653829.

Almost surely, 2^{11571576496804} is an apocalyptic number.

11571576496804 is the 3401702-nd square number.

It is an amenable number.

11571576496804 is a deficient number, since it is larger than the sum of its proper divisors (8678694278567).

11571576496804 is an frugal number, since it uses more digits than its factorization.

11571576496804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401706 (or 1700853 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 64.

Multiplying 11571576496804 by its sum of digits (64), we get a square (740580895795456 = 27213616²).

The spelling of 11571576496804 in words is "eleven trillion, five hundred seventy-one billion, five hundred seventy-six million, four hundred ninety-six thousand, eight hundred four".