155320482987 has 10 divisors (see below), whose sum is σ = 232021956188. Its totient is φ = 103546988604.

The previous prime is 155320482979. The next prime is 155320483039. The reversal of 155320482987 is 789284023551.

155320482987 is a `hidden beast` number, since 1 + 5 + 53 + 20 + 482 + 98 + 7 = 666.

155320482987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155320482987 - 2³ = 155320482979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155320482907) 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 in 9 ways as a sum of consecutive naturals, for example, 958768333 + ... + 958768494.

Almost surely, 2^155320482987 is an apocalyptic number.

155320482987 is a deficient number, since it is larger than the sum of its proper divisors (76701473201).

155320482987 is an equidigital number, since it uses as much as digits as its factorization.

155320482987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917536839 (or 1917536830 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 155320482987 in words is "one hundred fifty-five billion, three hundred twenty million, four hundred eighty-two thousand, nine hundred eighty-seven".