52131223405 has 16 divisors (see below), whose sum is σ = 62721114624. Its totient is φ = 41595966720.

The previous prime is 52131223399. The next prime is 52131223409. The reversal of 52131223405 is 50432213125.

52131223405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52131223405 - 2¹⁵ = 52131190637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52131223409) 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, 7383637 + ... + 7390693.

It is an arithmetic number, because the mean of its divisors is an integer number (3920069664).

Almost surely, 2^52131223405 is an apocalyptic number.

It is an amenable number.

52131223405 is a deficient number, since it is larger than the sum of its proper divisors (10589891219).

52131223405 is a wasteful number, since it uses less digits than its factorization.

52131223405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 52131223405 in words is "fifty-two billion, one hundred thirty-one million, two hundred twenty-three thousand, four hundred five".