11864707078 has 16 divisors (see below), whose sum is σ = 20341359360. Its totient is φ = 5084409096.

The previous prime is 11864707061. The next prime is 11864707079. The reversal of 11864707078 is 87070746811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11864707079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152025 + ... + 216427.

It is an arithmetic number, because the mean of its divisors is an integer number (1271334960).

Almost surely, 2^11864707078 is an apocalyptic number.

11864707078 is a deficient number, since it is larger than the sum of its proper divisors (8476652282).

11864707078 is a wasteful number, since it uses less digits than its factorization.

11864707078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77571.

The product of its (nonzero) digits is 526848, while the sum is 49.

The spelling of 11864707078 in words is "eleven billion, eight hundred sixty-four million, seven hundred seven thousand, seventy-eight".