11758212667 has 4 divisors (see below), whose sum is σ = 11759958040. Its totient is φ = 11756467296.

The previous prime is 11758212623. The next prime is 11758212691. The reversal of 11758212667 is 76621285711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11758212667 - 2⁷ = 11758212539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11758212607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862542 + ... + 876067.

It is an arithmetic number, because the mean of its divisors is an integer number (2939989510).

Almost surely, 2^11758212667 is an apocalyptic number.

11758212667 is a deficient number, since it is larger than the sum of its proper divisors (1745373).

11758212667 is an equidigital number, since it uses as much as digits as its factorization.

11758212667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745372.

The product of its digits is 282240, while the sum is 46.

The spelling of 11758212667 in words is "eleven billion, seven hundred fifty-eight million, two hundred twelve thousand, six hundred sixty-seven".