2141551520 has 48 divisors (see below), whose sum is σ = 5070159360. Its totient is φ = 854801664.

The previous prime is 2141551499. The next prime is 2141551537. The reversal of 2141551520 is 251551412.

It is a self number, because there is not a number n which added to its sum of digits gives 2141551520.

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 7 ways as a sum of consecutive naturals, for example, 62669 + ... + 90611.

It is an arithmetic number, because the mean of its divisors is an integer number (105628320).

Almost surely, 2^2141551520 is an apocalyptic number.

2141551520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141551520 is an abundant number, since it is smaller than the sum of its proper divisors (2928607840).

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

2141551520 is a wasteful number, since it uses less digits than its factorization.

2141551520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28437 (or 28429 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 2141551520 is about 46276.9005012220. The cubic root of 2141551520 is about 1288.9700971865.

The spelling of 2141551520 in words is "two billion, one hundred forty-one million, five hundred fifty-one thousand, five hundred twenty".