155050005660499 has 8 divisors (see below), whose sum is σ = 159546190416768. Its totient is φ = 150569907433920.

The previous prime is 155050005660469. The next prime is 155050005660553. The reversal of 155050005660499 is 994066500050551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155050005660499 - 2²⁵ = 155049972106067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155050005660469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4021612867 + ... + 4021651420.

It is an arithmetic number, because the mean of its divisors is an integer number (19943273802096).

Almost surely, 2^{155050005660499} is an apocalyptic number.

155050005660499 is a deficient number, since it is larger than the sum of its proper divisors (4496184756269).

155050005660499 is an equidigital number, since it uses as much as digits as its factorization.

155050005660499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8043264845.

The product of its (nonzero) digits is 7290000, while the sum is 55.

The spelling of 155050005660499 in words is "one hundred fifty-five trillion, fifty billion, five million, six hundred sixty thousand, four hundred ninety-nine".