3775215550505 has 32 divisors (see below), whose sum is σ = 5278810881024. Its totient is φ = 2538101270016.

The previous prime is 3775215550387. The next prime is 3775215550523. The reversal of 3775215550505 is 5050555125773.

It is a happy number.

3775215550505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3775215550505 - 2¹⁴ = 3775215534121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1948112 + ... + 3368318.

It is an arithmetic number, because the mean of its divisors is an integer number (164962840032).

Almost surely, 2^{3775215550505} is an apocalyptic number.

3775215550505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3775215550505 is a deficient number, since it is larger than the sum of its proper divisors (1503595330519).

3775215550505 is a wasteful number, since it uses less digits than its factorization.

3775215550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421705.

The product of its (nonzero) digits is 4593750, while the sum is 50.

The spelling of 3775215550505 in words is "three trillion, seven hundred seventy-five billion, two hundred fifteen million, five hundred fifty thousand, five hundred five".