11518612006 has 32 divisors (see below), whose sum is σ = 19723380768. Its totient is φ = 4998090240.

The previous prime is 11518611989. The next prime is 11518612009. The reversal of 11518612006 is 60021681511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11518612009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90355 + ... + 176638.

It is an arithmetic number, because the mean of its divisors is an integer number (616355649).

Almost surely, 2^11518612006 is an apocalyptic number.

11518612006 is a deficient number, since it is larger than the sum of its proper divisors (8204768762).

11518612006 is a wasteful number, since it uses less digits than its factorization.

11518612006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267096.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 11518612006 in words is "eleven billion, five hundred eighteen million, six hundred twelve thousand, six".