11615439148 has 12 divisors (see below), whose sum is σ = 20528276832. Its totient is φ = 5750217200.

The previous prime is 11615439131. The next prime is 11615439151. The reversal of 11615439148 is 84193451611.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14375140 + ... + 14375947.

It is an arithmetic number, because the mean of its divisors is an integer number (1710689736).

Almost surely, 2^11615439148 is an apocalyptic number.

It is an amenable number.

11615439148 is a deficient number, since it is larger than the sum of its proper divisors (8912837684).

11615439148 is a wasteful number, since it uses less digits than its factorization.

11615439148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28751192 (or 28751190 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The spelling of 11615439148 in words is "eleven billion, six hundred fifteen million, four hundred thirty-nine thousand, one hundred forty-eight".