11739965445 has 112 divisors (see below), whose sum is σ = 22965853680. Its totient is φ = 5724131328.

The previous prime is 11739965311. The next prime is 11739965473. The reversal of 11739965445 is 54456993711.

11739965445 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 9 + 96 + 544 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 40947201 + 11699018244 = 6399^2 + 108162^2 .

It is not a de Polignac number, because 11739965445 - 2⁸ = 11739965189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11739965391 and 11739965400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 5163829 + ... + 5166101.

It is an arithmetic number, because the mean of its divisors is an integer number (205052265).

Almost surely, 2^11739965445 is an apocalyptic number.

11739965445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11739965445 is a deficient number, since it is larger than the sum of its proper divisors (11225888235).

11739965445 is a wasteful number, since it uses less digits than its factorization.

11739965445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418 (or 2403 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The spelling of 11739965445 in words is "eleven billion, seven hundred thirty-nine million, nine hundred sixty-five thousand, four hundred forty-five".