11051515681924 has 9 divisors (see below), whose sum is σ = 19340164078711. Its totient is φ = 5525754516580.

The previous prime is 11051515681909. The next prime is 11051515681931. The reversal of 11051515681924 is 42918651515011.

The square root of 11051515681924 is 3324382.

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

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5817669 + ... + 7479859.

Almost surely, 2^{11051515681924} is an apocalyptic number.

11051515681924 is the 3324382-nd square number.

It is an amenable number.

11051515681924 is a deficient number, since it is larger than the sum of its proper divisors (8288648396787).

11051515681924 is an frugal number, since it uses more digits than its factorization.

11051515681924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324386 (or 1662193 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 49.

Multiplying 11051515681924 by its sum of digits (49), we get a square (541524268414276 = 23270674²).

The spelling of 11051515681924 in words is "eleven trillion, fifty-one billion, five hundred fifteen million, six hundred eighty-one thousand, nine hundred twenty-four".