121671152016151 has 2 divisors, whose sum is σ = 121671152016152. Its totient is φ = 121671152016150.

The previous prime is 121671152016137. The next prime is 121671152016173. The reversal of 121671152016151 is 151610251176121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121671152016151 - 2¹¹ = 121671152014103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121671152010151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60835576008075 + 60835576008076.

It is an arithmetic number, because the mean of its divisors is an integer number (60835576008076).

Almost surely, 2^{121671152016151} is an apocalyptic number.

121671152016151 is a deficient number, since it is larger than the sum of its proper divisors (1).

121671152016151 is an equidigital number, since it uses as much as digits as its factorization.

121671152016151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 40.

The spelling of 121671152016151 in words is "one hundred twenty-one trillion, six hundred seventy-one billion, one hundred fifty-two million, sixteen thousand, one hundred fifty-one".