215231132527 has 2 divisors, whose sum is σ = 215231132528. Its totient is φ = 215231132526.

The previous prime is 215231132509. The next prime is 215231132537. The reversal of 215231132527 is 725231132512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215231132527 - 2¹⁹ = 215230608239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215231132492 and 215231132501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215231132507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107615566263 + 107615566264.

It is an arithmetic number, because the mean of its divisors is an integer number (107615566264).

Almost surely, 2^215231132527 is an apocalyptic number.

215231132527 is a deficient number, since it is larger than the sum of its proper divisors (1).

215231132527 is an equidigital number, since it uses as much as digits as its factorization.

215231132527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The spelling of 215231132527 in words is "two hundred fifteen billion, two hundred thirty-one million, one hundred thirty-two thousand, five hundred twenty-seven".