215251425299983 has 2 divisors, whose sum is σ = 215251425299984. Its totient is φ = 215251425299982.

The previous prime is 215251425299947. The next prime is 215251425300001. The reversal of 215251425299983 is 389992524152512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215251425299983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215251425299923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107625712649991 + 107625712649992.

It is an arithmetic number, because the mean of its divisors is an integer number (107625712649992).

Almost surely, 2^{215251425299983} is an apocalyptic number.

215251425299983 is a deficient number, since it is larger than the sum of its proper divisors (1).

215251425299983 is an equidigital number, since it uses as much as digits as its factorization.

215251425299983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968000, while the sum is 67.

It can be divided in two parts, 21525142529 and 9983, that added together give a palindrome (21525152512).

The spelling of 215251425299983 in words is "two hundred fifteen trillion, two hundred fifty-one billion, four hundred twenty-five million, two hundred ninety-nine thousand, nine hundred eighty-three".