11785450507 has 8 divisors (see below), whose sum is σ = 11803276800. Its totient is φ = 11767640040.

The previous prime is 11785450499. The next prime is 11785450517. The reversal of 11785450507 is 70505458711.

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

It is a cyclic number.

It is not a de Polignac number, because 11785450507 - 2³ = 11785450499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11785450517) 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, 2564782 + ... + 2569372.

It is an arithmetic number, because the mean of its divisors is an integer number (1475409600).

Almost surely, 2^11785450507 is an apocalyptic number.

11785450507 is a deficient number, since it is larger than the sum of its proper divisors (17826293).

11785450507 is a wasteful number, since it uses less digits than its factorization.

11785450507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913.

The product of its (nonzero) digits is 196000, while the sum is 43.

The spelling of 11785450507 in words is "eleven billion, seven hundred eighty-five million, four hundred fifty thousand, five hundred seven".