11661055001120 has 48 divisors (see below), whose sum is σ = 31484848506048. Its totient is φ = 3998076000000.

The previous prime is 11661055001041. The next prime is 11661055001131. The reversal of 11661055001120 is 2110055016611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5205827006 + ... + 5205829245.

It is an arithmetic number, because the mean of its divisors is an integer number (655934343876).

Almost surely, 2^{11661055001120} is an apocalyptic number.

11661055001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11661055001120 is an abundant number, since it is smaller than the sum of its proper divisors (19823793504928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11661055001120 is a wasteful number, since it uses less digits than its factorization.

11661055001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411656273 (or 10411656265 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 11661055001120 in words is "eleven trillion, six hundred sixty-one billion, fifty-five million, one thousand, one hundred twenty".