11867115471147 has 6 divisors (see below), whose sum is σ = 17141389013892. Its totient is φ = 7911410314092.

The previous prime is 11867115471091. The next prime is 11867115471149. The reversal of 11867115471147 is 74117451176811.

It is a happy number.

11867115471147 is a `hidden beast` number, since 1 + 1 + 86 + 7 + 1 + 1 + 547 + 1 + 14 + 7 = 666.

It is not a de Polignac number, because 11867115471147 - 2²² = 11867111276843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11867115471093 and 11867115471102.

It is not an unprimeable number, because it can be changed into a prime (11867115471149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 659284192833 + ... + 659284192850.

It is an arithmetic number, because the mean of its divisors is an integer number (2856898168982).

Almost surely, 2^{11867115471147} is an apocalyptic number.

11867115471147 is a deficient number, since it is larger than the sum of its proper divisors (5274273542745).

11867115471147 is a wasteful number, since it uses less digits than its factorization.

11867115471147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318568385689 (or 1318568385686 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 54.

The spelling of 11867115471147 in words is "eleven trillion, eight hundred sixty-seven billion, one hundred fifteen million, four hundred seventy-one thousand, one hundred forty-seven".