154551104987 has 2 divisors, whose sum is σ = 154551104988. Its totient is φ = 154551104986.

The previous prime is 154551104971. The next prime is 154551105011. The reversal of 154551104987 is 789401155451.

It is a weak prime.

It is an emirp because it is prime and its reverse (789401155451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154551104987 - 2⁴ = 154551104971 is a prime.

It is not a weakly prime, because it can be changed into another prime (154551184987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77275552493 + 77275552494.

It is an arithmetic number, because the mean of its divisors is an integer number (77275552494).

Almost surely, 2^154551104987 is an apocalyptic number.

154551104987 is a deficient number, since it is larger than the sum of its proper divisors (1).

154551104987 is an equidigital number, since it uses as much as digits as its factorization.

154551104987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 50.

The spelling of 154551104987 in words is "one hundred fifty-four billion, five hundred fifty-one million, one hundred four thousand, nine hundred eighty-seven".