156151683209 has 2 divisors, whose sum is σ = 156151683210. Its totient is φ = 156151683208.

The previous prime is 156151683187. The next prime is 156151683211. The reversal of 156151683209 is 902386151651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120914761984 + 35236921225 = 347728^2 + 187715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156151683209 is a prime.

Together with 156151683211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (156151683109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78075841604 + 78075841605.

It is an arithmetic number, because the mean of its divisors is an integer number (78075841605).

Almost surely, 2^156151683209 is an apocalyptic number.

It is an amenable number.

156151683209 is a deficient number, since it is larger than the sum of its proper divisors (1).

156151683209 is an equidigital number, since it uses as much as digits as its factorization.

156151683209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 156151683209 in words is "one hundred fifty-six billion, one hundred fifty-one million, six hundred eighty-three thousand, two hundred nine".