11607991628 has 12 divisors (see below), whose sum is σ = 20318018952. Its totient is φ = 5802843360.

The previous prime is 11607991607. The next prime is 11607991673. The reversal of 11607991628 is 82619970611.

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 3 ways as a sum of consecutive naturals, for example, 265250 + ... + 305897.

It is an arithmetic number, because the mean of its divisors is an integer number (1693168246).

Almost surely, 2^11607991628 is an apocalyptic number.

It is an amenable number.

11607991628 is a deficient number, since it is larger than the sum of its proper divisors (8710027324).

11607991628 is a wasteful number, since it uses less digits than its factorization.

11607991628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576232 (or 576230 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 50.

The spelling of 11607991628 in words is "eleven billion, six hundred seven million, nine hundred ninety-one thousand, six hundred twenty-eight".