151271145121 has 2 divisors, whose sum is σ = 151271145122. Its totient is φ = 151271145120.

The previous prime is 151271145119. The next prime is 151271145127. The reversal of 151271145121 is 121541172151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106396654225 + 44874490896 = 326185^2 + 211836^2 .

It is a cyclic number.

It is not a de Polignac number, because 151271145121 - 2¹ = 151271145119 is a prime.

Together with 151271145119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (151271145127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75635572560 + 75635572561.

It is an arithmetic number, because the mean of its divisors is an integer number (75635572561).

Almost surely, 2^151271145121 is an apocalyptic number.

It is an amenable number.

151271145121 is a deficient number, since it is larger than the sum of its proper divisors (1).

151271145121 is an equidigital number, since it uses as much as digits as its factorization.

151271145121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 31.

The spelling of 151271145121 in words is "one hundred fifty-one billion, two hundred seventy-one million, one hundred forty-five thousand, one hundred twenty-one".