1415138309161 has 2 divisors, whose sum is σ = 1415138309162. Its totient is φ = 1415138309160.

The previous prime is 1415138309159. The next prime is 1415138309183. The reversal of 1415138309161 is 1619038315141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 967636179225 + 447502129936 = 983685^2 + 668956^2 .

It is a cyclic number.

It is not a de Polignac number, because 1415138309161 - 2¹ = 1415138309159 is a prime.

Together with 1415138309159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1415138309111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707569154580 + 707569154581.

It is an arithmetic number, because the mean of its divisors is an integer number (707569154581).

Almost surely, 2^{1415138309161} is an apocalyptic number.

It is an amenable number.

1415138309161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415138309161 is an equidigital number, since it uses as much as digits as its factorization.

1415138309161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 1415138309161 in words is "one trillion, four hundred fifteen billion, one hundred thirty-eight million, three hundred nine thousand, one hundred sixty-one".