151205972987 has 2 divisors, whose sum is σ = 151205972988. Its totient is φ = 151205972986.

The previous prime is 151205972971. The next prime is 151205972993. The reversal of 151205972987 is 789279502151.

151205972987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151205972987 - 2⁴ = 151205972971 is a prime.

It is not a weakly prime, because it can be changed into another prime (151205972087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75602986493 + 75602986494.

It is an arithmetic number, because the mean of its divisors is an integer number (75602986494).

Almost surely, 2^151205972987 is an apocalyptic number.

151205972987 is a deficient number, since it is larger than the sum of its proper divisors (1).

151205972987 is an equidigital number, since it uses as much as digits as its factorization.

151205972987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 56.

The spelling of 151205972987 in words is "one hundred fifty-one billion, two hundred five million, nine hundred seventy-two thousand, nine hundred eighty-seven".