380548311505 has 4 divisors (see below), whose sum is σ = 456657973812. Its totient is φ = 304438649200.

The previous prime is 380548311499. The next prime is 380548311529. The reversal of 380548311505 is 505113845083.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 263513848896 + 117034462609 = 513336^2 + 342103^2 .

It is not a de Polignac number, because 380548311505 - 2¹³ = 380548303313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38054831146 + ... + 38054831155.

It is an arithmetic number, because the mean of its divisors is an integer number (114164493453).

Almost surely, 2^380548311505 is an apocalyptic number.

It is an amenable number.

380548311505 is a deficient number, since it is larger than the sum of its proper divisors (76109662307).

380548311505 is an equidigital number, since it uses as much as digits as its factorization.

380548311505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76109662306.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 380548311505 in words is "three hundred eighty billion, five hundred forty-eight million, three hundred eleven thousand, five hundred five".