11005527581764 has 27 divisors (see below), whose sum is σ = 19292111142591. Its totient is φ = 5493511400520.

The previous prime is 11005527581747. The next prime is 11005527581773. The reversal of 11005527581764 is 46718572550011.

The square root of 11005527581764 is 3317458.

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

It is a super-2 number, since 2×11005527581764² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5699391879 + ... + 5699393809.

Almost surely, 2^{11005527581764} is an apocalyptic number.

11005527581764 is the 3317458-th square number.

It is an amenable number.

11005527581764 is a deficient number, since it is larger than the sum of its proper divisors (8286583560827).

11005527581764 is an frugal number, since it uses more digits than its factorization.

11005527581764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 52.

The spelling of 11005527581764 in words is "eleven trillion, five billion, five hundred twenty-seven million, five hundred eighty-one thousand, seven hundred sixty-four".