159074940961 has 2 divisors, whose sum is σ = 159074940962. Its totient is φ = 159074940960.

The previous prime is 159074940923. The next prime is 159074940967. The reversal of 159074940961 is 169049470951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119910530961 + 39164410000 = 346281^2 + 197900^2 .

It is an emirp because it is prime and its reverse (169049470951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159074940961 - 2¹⁷ = 159074809889 is a prime.

It is not a weakly prime, because it can be changed into another prime (159074940967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79537470480 + 79537470481.

It is an arithmetic number, because the mean of its divisors is an integer number (79537470481).

Almost surely, 2^159074940961 is an apocalyptic number.

It is an amenable number.

159074940961 is a deficient number, since it is larger than the sum of its proper divisors (1).

159074940961 is an equidigital number, since it uses as much as digits as its factorization.

159074940961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 159074940961 in words is "one hundred fifty-nine billion, seventy-four million, nine hundred forty thousand, nine hundred sixty-one".