11916732051844 has 9 divisors (see below), whose sum is σ = 20854293172951. Its totient is φ = 5958362573860.

The previous prime is 11916732051823. The next prime is 11916732051853. The reversal of 11916732051844 is 44815023761911.

The square root of 11916732051844 is 3452062.

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

It is a super-2 number, since 2×11916732051844² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11916732051791 and 11916732051800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6041109 + ... + 7767139.

It is a 1-persistent number, because it is pandigital, but 2⋅11916732051844 = 23833464103688 is not.

Almost surely, 2^{11916732051844} is an apocalyptic number.

11916732051844 is the 3452062-nd square number.

It is an amenable number.

11916732051844 is a deficient number, since it is larger than the sum of its proper divisors (8937561121107).

11916732051844 is an frugal number, since it uses more digits than its factorization.

11916732051844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452066 (or 1726033 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 11916732051844 in words is "eleven trillion, nine hundred sixteen billion, seven hundred thirty-two million, fifty-one thousand, eight hundred forty-four".