156801476213 has 2 divisors, whose sum is σ = 156801476214. Its totient is φ = 156801476212.

The previous prime is 156801476173. The next prime is 156801476231. The reversal of 156801476213 is 312674108651.

Together with next prime (156801476231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142052102404 + 14749373809 = 376898^2 + 121447^2 .

It is a cyclic number.

It is not a de Polignac number, because 156801476213 - 2¹² = 156801472117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156801479213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78400738106 + 78400738107.

It is an arithmetic number, because the mean of its divisors is an integer number (78400738107).

Almost surely, 2^156801476213 is an apocalyptic number.

It is an amenable number.

156801476213 is a deficient number, since it is larger than the sum of its proper divisors (1).

156801476213 is an equidigital number, since it uses as much as digits as its factorization.

156801476213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 156801476213 in words is "one hundred fifty-six billion, eight hundred one million, four hundred seventy-six thousand, two hundred thirteen".