159121713511 has 2 divisors, whose sum is σ = 159121713512. Its totient is φ = 159121713510.

The previous prime is 159121713451. The next prime is 159121713521. The reversal of 159121713511 is 115317121951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159121713511 - 2¹³ = 159121705319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159121713521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79560856755 + 79560856756.

It is an arithmetic number, because the mean of its divisors is an integer number (79560856756).

Almost surely, 2^159121713511 is an apocalyptic number.

159121713511 is a deficient number, since it is larger than the sum of its proper divisors (1).

159121713511 is an equidigital number, since it uses as much as digits as its factorization.

159121713511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 37.

The spelling of 159121713511 in words is "one hundred fifty-nine billion, one hundred twenty-one million, seven hundred thirteen thousand, five hundred eleven".