2155501163000 has 64 divisors (see below), whose sum is σ = 5052738506400. Its totient is φ = 860684947200.

The previous prime is 2155501162967. The next prime is 2155501163051. The reversal of 2155501163000 is 3611055512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325114 + ... + 2463113.

Almost surely, 2^{2155501163000} is an apocalyptic number.

2155501163000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2155501163000 is an abundant number, since it is smaller than the sum of its proper divisors (2897237343400).

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

2155501163000 is a wasteful number, since it uses less digits than its factorization.

2155501163000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788817 (or 3788803 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 2155501163000 in words is "two trillion, one hundred fifty-five billion, five hundred one million, one hundred sixty-three thousand".