2156446503000 has 128 divisors (see below), whose sum is σ = 7475681304000. Its totient is φ = 575052393600.

The previous prime is 2156446502971. The next prime is 2156446503059. The reversal of 2156446503000 is 3056446512.

2156446503000 is a `hidden beast` number, since 2 + 1 + 5 + 644 + 6 + 5 + 0 + 3 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 39907195 + ... + 39961194.

Almost surely, 2^{2156446503000} is an apocalyptic number.

2156446503000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2156446503000 is an abundant number, since it is smaller than the sum of its proper divisors (5319234801000).

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

2156446503000 is a wasteful number, since it uses less digits than its factorization.

2156446503000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79868419 (or 79868399 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 2156446503000 in words is "two trillion, one hundred fifty-six billion, four hundred forty-six million, five hundred three thousand".