1988017155151 has 2 divisors, whose sum is σ = 1988017155152. Its totient is φ = 1988017155150.

The previous prime is 1988017155077. The next prime is 1988017155191. The reversal of 1988017155151 is 1515517108891.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1515517108891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1988017155151 - 2¹³ = 1988017146959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1988017155191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994008577575 + 994008577576.

It is an arithmetic number, because the mean of its divisors is an integer number (994008577576).

Almost surely, 2^{1988017155151} is an apocalyptic number.

1988017155151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1988017155151 is an equidigital number, since it uses as much as digits as its factorization.

1988017155151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 52.

The spelling of 1988017155151 in words is "one trillion, nine hundred eighty-eight billion, seventeen million, one hundred fifty-five thousand, one hundred fifty-one".