5211520234305 has 32 divisors (see below), whose sum is σ = 10395967638528. Its totient is φ = 2165826590400.

The previous prime is 5211520234289. The next prime is 5211520234307. The reversal of 5211520234305 is 5034320251125.

It is not a de Polignac number, because 5211520234305 - 2⁴ = 5211520234289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5211520234307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2256068211 + ... + 2256070520.

It is an arithmetic number, because the mean of its divisors is an integer number (324873988704).

Almost surely, 2^{5211520234305} is an apocalyptic number.

5211520234305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5211520234305 is a deficient number, since it is larger than the sum of its proper divisors (5184447404223).

5211520234305 is a wasteful number, since it uses less digits than its factorization.

5211520234305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512138757.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 5211520234305 in words is "five trillion, two hundred eleven billion, five hundred twenty million, two hundred thirty-four thousand, three hundred five".