215201130523 has 2 divisors, whose sum is σ = 215201130524. Its totient is φ = 215201130522.

The previous prime is 215201130503. The next prime is 215201130577. The reversal of 215201130523 is 325031102512.

215201130523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215201130523 is a prime.

It is a super-3 number, since 3×215201130523³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (215201130503) by changing a digit.

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 as a sum of consecutive naturals, namely, 107600565261 + 107600565262.

It is an arithmetic number, because the mean of its divisors is an integer number (107600565262).

Almost surely, 2^215201130523 is an apocalyptic number.

215201130523 is a deficient number, since it is larger than the sum of its proper divisors (1).

215201130523 is an equidigital number, since it uses as much as digits as its factorization.

215201130523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 215201130523 in words is "two hundred fifteen billion, two hundred one million, one hundred thirty thousand, five hundred twenty-three".