155256112410187 has 2 divisors, whose sum is σ = 155256112410188. Its totient is φ = 155256112410186.

The previous prime is 155256112410151. The next prime is 155256112410193. The reversal of 155256112410187 is 781014211652551.

It is a strong prime.

It is an emirp because it is prime and its reverse (781014211652551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155256112410187 - 2³⁵ = 155221752671819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155256112410187.

It is not a weakly prime, because it can be changed into another prime (155256112410137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77628056205093 + 77628056205094.

It is an arithmetic number, because the mean of its divisors is an integer number (77628056205094).

Almost surely, 2^{155256112410187} is an apocalyptic number.

155256112410187 is a deficient number, since it is larger than the sum of its proper divisors (1).

155256112410187 is an equidigital number, since it uses as much as digits as its factorization.

155256112410187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672000, while the sum is 49.

The spelling of 155256112410187 in words is "one hundred fifty-five trillion, two hundred fifty-six billion, one hundred twelve million, four hundred ten thousand, one hundred eighty-seven".