11864707013 has 4 divisors (see below), whose sum is σ = 11881878048. Its totient is φ = 11847535980.

The previous prime is 11864706989. The next prime is 11864707027. The reversal of 11864707013 is 31070746811.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31070746811 = 13 ⋅2390057447.

It is a cyclic number.

It is not a de Polignac number, because 11864707013 - 2⁶ = 11864706949 is a prime.

It is a super-3 number, since 3×11864707013³ (a number of 31 digits) contains 333 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 (11864707913) 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, 8584481 + ... + 8585862.

It is an arithmetic number, because the mean of its divisors is an integer number (2970469512).

Almost surely, 2^11864707013 is an apocalyptic number.

It is an amenable number.

11864707013 is a deficient number, since it is larger than the sum of its proper divisors (17171035).

11864707013 is an equidigital number, since it uses as much as digits as its factorization.

11864707013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17171034.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 11864707013 in words is "eleven billion, eight hundred sixty-four million, seven hundred seven thousand, thirteen".