151513421161 has 2 divisors, whose sum is σ = 151513421162. Its totient is φ = 151513421160.

The previous prime is 151513421159. The next prime is 151513421203. The reversal of 151513421161 is 161124315151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126882002025 + 24631419136 = 356205^2 + 156944^2 .

It is a cyclic number.

It is not a de Polignac number, because 151513421161 - 2¹ = 151513421159 is a prime.

Together with 151513421159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (151513421461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75756710580 + 75756710581.

It is an arithmetic number, because the mean of its divisors is an integer number (75756710581).

Almost surely, 2^151513421161 is an apocalyptic number.

It is an amenable number.

151513421161 is a deficient number, since it is larger than the sum of its proper divisors (1).

151513421161 is an equidigital number, since it uses as much as digits as its factorization.

151513421161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 31.

The spelling of 151513421161 in words is "one hundred fifty-one billion, five hundred thirteen million, four hundred twenty-one thousand, one hundred sixty-one".