215601006151 has 2 divisors, whose sum is σ = 215601006152. Its totient is φ = 215601006150.

The previous prime is 215601006149. The next prime is 215601006161. The reversal of 215601006151 is 151600106512.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215601006151 - 2¹ = 215601006149 is a prime.

Together with 215601006149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215601006121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107800503075 + 107800503076.

It is an arithmetic number, because the mean of its divisors is an integer number (107800503076).

Almost surely, 2^215601006151 is an apocalyptic number.

215601006151 is a deficient number, since it is larger than the sum of its proper divisors (1).

215601006151 is an equidigital number, since it uses as much as digits as its factorization.

215601006151 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 28.

The spelling of 215601006151 in words is "two hundred fifteen billion, six hundred one million, six thousand, one hundred fifty-one".