2100512355 has 16 divisors (see below), whose sum is σ = 3364048800. Its totient is φ = 1119196928.

The previous prime is 2100512341. The next prime is 2100512411. The reversal of 2100512355 is 5532150012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2100512355 - 2¹⁰ = 2100511331 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51012 + ... + 82481.

It is an arithmetic number, because the mean of its divisors is an integer number (210253050).

Almost surely, 2^2100512355 is an apocalyptic number.

2100512355 is a deficient number, since it is larger than the sum of its proper divisors (1263536445).

2100512355 is a wasteful number, since it uses less digits than its factorization.

2100512355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134550.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2100512355 is about 45831.3468599822. The cubic root of 2100512355 is about 1280.6833011440.

Adding to 2100512355 its reverse (5532150012), we get a palindrome (7632662367).

The spelling of 2100512355 in words is "two billion, one hundred million, five hundred twelve thousand, three hundred fifty-five".