2135504505 has 16 divisors (see below), whose sum is σ = 3439742400. Its totient is φ = 1131290688.

The previous prime is 2135504431. The next prime is 2135504573. The reversal of 2135504505 is 5054055312.

It is a happy number.

It is not a de Polignac number, because 2135504505 - 2²² = 2131310201 is a prime.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 475507 + ... + 479976.

It is an arithmetic number, because the mean of its divisors is an integer number (214983900).

Almost surely, 2^2135504505 is an apocalyptic number.

It is an amenable number.

2135504505 is a deficient number, since it is larger than the sum of its proper divisors (1304237895).

2135504505 is a wasteful number, since it uses less digits than its factorization.

2135504505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955640.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2135504505 is about 46211.5191808276. The cubic root of 2135504505 is about 1287.7557487360.

Adding to 2135504505 its reverse (5054055312), we get a palindrome (7189559817).

The spelling of 2135504505 in words is "two billion, one hundred thirty-five million, five hundred four thousand, five hundred five".