11878812647684 has 12 divisors (see below), whose sum is σ = 21458500267008. Its totient is φ = 5747812571400.

The previous prime is 11878812647617. The next prime is 11878812647687. The reversal of 11878812647684 is 48674621887811.

It is a super-2 number, since 2×11878812647684² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11878812647687) 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, 47898437972 + ... + 47898438219.

It is an arithmetic number, because the mean of its divisors is an integer number (1788208355584).

Almost surely, 2^{11878812647684} is an apocalyptic number.

It is an amenable number.

11878812647684 is a deficient number, since it is larger than the sum of its proper divisors (9579687619324).

11878812647684 is a wasteful number, since it uses less digits than its factorization.

11878812647684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95796876226 (or 95796876224 counting only the distinct ones).

The product of its digits is 231211008, while the sum is 71.

The spelling of 11878812647684 in words is "eleven trillion, eight hundred seventy-eight billion, eight hundred twelve million, six hundred forty-seven thousand, six hundred eighty-four".