11864707069 has 4 divisors (see below), whose sum is σ = 11943281440. Its totient is φ = 11786132700.

The previous prime is 11864707061. The next prime is 11864707079. The reversal of 11864707069 is 96070746811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11864707069 - 2³ = 11864707061 is a prime.

It is a super-2 number, since 2×11864707069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11864707061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39286959 + ... + 39287260.

It is an arithmetic number, because the mean of its divisors is an integer number (2985820360).

Almost surely, 2^11864707069 is an apocalyptic number.

It is an amenable number.

11864707069 is a deficient number, since it is larger than the sum of its proper divisors (78574371).

11864707069 is an equidigital number, since it uses as much as digits as its factorization.

11864707069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78574370.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 11864707069 in words is "eleven billion, eight hundred sixty-four million, seven hundred seven thousand, sixty-nine".