156150760561 has 2 divisors, whose sum is σ = 156150760562. Its totient is φ = 156150760560.

The previous prime is 156150760541. The next prime is 156150760573. The reversal of 156150760561 is 165067051651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137385870336 + 18764890225 = 370656^2 + 136985^2 .

It is an emirp because it is prime and its reverse (165067051651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 156150760561 - 2¹⁷ = 156150629489 is a prime.

It is not a weakly prime, because it can be changed into another prime (156150760511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78075380280 + 78075380281.

It is an arithmetic number, because the mean of its divisors is an integer number (78075380281).

Almost surely, 2^156150760561 is an apocalyptic number.

It is an amenable number.

156150760561 is a deficient number, since it is larger than the sum of its proper divisors (1).

156150760561 is an equidigital number, since it uses as much as digits as its factorization.

156150760561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 156150760561 in words is "one hundred fifty-six billion, one hundred fifty million, seven hundred sixty thousand, five hundred sixty-one".