1600561111151 has 2 divisors, whose sum is σ = 1600561111152. Its totient is φ = 1600561111150.

The previous prime is 1600561111117. The next prime is 1600561111157. The reversal of 1600561111151 is 1511111650061.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1600561111151 - 2⁶ = 1600561111087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1600561111157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800280555575 + 800280555576.

It is an arithmetic number, because the mean of its divisors is an integer number (800280555576).

Almost surely, 2^{1600561111151} is an apocalyptic number.

1600561111151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600561111151 is an equidigital number, since it uses as much as digits as its factorization.

1600561111151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 29.

The spelling of 1600561111151 in words is "one trillion, six hundred billion, five hundred sixty-one million, one hundred eleven thousand, one hundred fifty-one".