11785739567845 has 8 divisors (see below), whose sum is σ = 14142906224640. Its totient is φ = 9428579158800.

The previous prime is 11785739567843. The next prime is 11785739567929. The reversal of 11785739567845 is 54876593758711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11785739567845 - 2¹ = 11785739567843 is a prime.

It is a super-2 number, since 2×11785739567845² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11785739567843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5449020 + ... + 7298170.

It is an arithmetic number, because the mean of its divisors is an integer number (1767863278080).

Almost surely, 2^{11785739567845} is an apocalyptic number.

It is an amenable number.

11785739567845 is a deficient number, since it is larger than the sum of its proper divisors (2357166656795).

11785739567845 is a wasteful number, since it uses less digits than its factorization.

11785739567845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123875.

The product of its digits is 1778112000, while the sum is 76.

The spelling of 11785739567845 in words is "eleven trillion, seven hundred eighty-five billion, seven hundred thirty-nine million, five hundred sixty-seven thousand, eight hundred forty-five".