11647555142 has 16 divisors (see below), whose sum is σ = 18400142400. Its totient is φ = 5514483240.

The previous prime is 11647555111. The next prime is 11647555163. The reversal of 11647555142 is 24155574611.

It is a self number, because there is not a number n which added to its sum of digits gives 11647555142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209 + ... + 152627.

It is an arithmetic number, because the mean of its divisors is an integer number (1150008900).

Almost surely, 2^11647555142 is an apocalyptic number.

11647555142 is a deficient number, since it is larger than the sum of its proper divisors (6752587258).

11647555142 is a wasteful number, since it uses less digits than its factorization.

11647555142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154451.

The product of its digits is 168000, while the sum is 41.

The spelling of 11647555142 in words is "eleven billion, six hundred forty-seven million, five hundred fifty-five thousand, one hundred forty-two".