156200578908481 has 2 divisors, whose sum is σ = 156200578908482. Its totient is φ = 156200578908480.

The previous prime is 156200578908467. The next prime is 156200578908551. The reversal of 156200578908481 is 184809875002651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81060131155600 + 75140447752881 = 9003340^2 + 8668359^2 .

It is a cyclic number.

It is not a de Polignac number, because 156200578908481 - 2³⁵ = 156166219170113 is a prime.

It is a super-2 number, since 2×156200578908481² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (156200578908431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78100289454240 + 78100289454241.

It is an arithmetic number, because the mean of its divisors is an integer number (78100289454241).

Almost surely, 2^{156200578908481} is an apocalyptic number.

It is an amenable number.

156200578908481 is a deficient number, since it is larger than the sum of its proper divisors (1).

156200578908481 is an equidigital number, since it uses as much as digits as its factorization.

156200578908481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38707200, while the sum is 64.

The spelling of 156200578908481 in words is "one hundred fifty-six trillion, two hundred billion, five hundred seventy-eight million, nine hundred eight thousand, four hundred eighty-one".