215271535151 has 2 divisors, whose sum is σ = 215271535152. Its totient is φ = 215271535150.

The previous prime is 215271535123. The next prime is 215271535189. The reversal of 215271535151 is 151535172512.

It is an a-pointer prime, because the next prime (215271535189) can be obtained adding 215271535151 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215271535151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215271535051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107635767575 + 107635767576.

It is an arithmetic number, because the mean of its divisors is an integer number (107635767576).

Almost surely, 2^215271535151 is an apocalyptic number.

215271535151 is a deficient number, since it is larger than the sum of its proper divisors (1).

215271535151 is an equidigital number, since it uses as much as digits as its factorization.

215271535151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52500, while the sum is 38.

The spelling of 215271535151 in words is "two hundred fifteen billion, two hundred seventy-one million, five hundred thirty-five thousand, one hundred fifty-one".