2141203505 has 16 divisors (see below), whose sum is σ = 3015874560. Its totient is φ = 1428570432.

The previous prime is 2141203501. The next prime is 2141203507. The reversal of 2141203505 is 5053021412.

It is a cyclic number.

It is not a de Polignac number, because 2141203505 - 2² = 2141203501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2141203501) 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, 825425 + ... + 828014.

It is an arithmetic number, because the mean of its divisors is an integer number (188492160).

Almost surely, 2^2141203505 is an apocalyptic number.

It is an amenable number.

2141203505 is a deficient number, since it is larger than the sum of its proper divisors (874671055).

2141203505 is a wasteful number, since it uses less digits than its factorization.

2141203505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653488.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2141203505 is about 46273.1402111419. The cubic root of 2141203505 is about 1288.9002716067.

Adding to 2141203505 its reverse (5053021412), we get a palindrome (7194224917).

The spelling of 2141203505 in words is "two billion, one hundred forty-one million, two hundred three thousand, five hundred five".