11978086497219 has 12 divisors (see below), whose sum is σ = 17628127298496. Its totient is φ = 7834723243152.

The previous prime is 11978086497203. The next prime is 11978086497227. The reversal of 11978086497219 is 91279468087911.

11978086497219 is a `hidden beast` number, since 1 + 197 + 80 + 8 + 64 + 97 + 219 = 666.

It is not a de Polignac number, because 11978086497219 - 2⁴ = 11978086497203 is a prime.

It is a super-2 number, since 2×11978086497219² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11978086490219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12555645747 + ... + 12555646700.

It is an arithmetic number, because the mean of its divisors is an integer number (1469010608208).

Almost surely, 2^{11978086497219} is an apocalyptic number.

11978086497219 is a deficient number, since it is larger than the sum of its proper divisors (5650040801277).

11978086497219 is a wasteful number, since it uses less digits than its factorization.

11978086497219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25111292506 (or 25111292503 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 72.

The spelling of 11978086497219 in words is "eleven trillion, nine hundred seventy-eight billion, eighty-six million, four hundred ninety-seven thousand, two hundred nineteen".