2146155055520 has 96 divisors (see below), whose sum is σ = 5794887547008. Its totient is φ = 735790445568.

The previous prime is 2146155055519. The next prime is 2146155055529. The reversal of 2146155055520 is 255505516412.

It is not an unprimeable number, because it can be changed into a prime (2146155055529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41058842 + ... + 41111078.

It is an arithmetic number, because the mean of its divisors is an integer number (60363411948).

Almost surely, 2^{2146155055520} is an apocalyptic number.

2146155055520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2146155055520 is an abundant number, since it is smaller than the sum of its proper divisors (3648732491488).

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

2146155055520 is a wasteful number, since it uses less digits than its factorization.

2146155055520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88942 (or 88934 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 2146155055520 in words is "two trillion, one hundred forty-six billion, one hundred fifty-five million, fifty-five thousand, five hundred twenty".