388101242855 has 4 divisors (see below), whose sum is σ = 465721491432. Its totient is φ = 310480994280.

The previous prime is 388101242843. The next prime is 388101242941. The reversal of 388101242855 is 558242101883.

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

It is not a de Polignac number, because 388101242855 - 2¹⁸ = 388100980711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38810124281 + ... + 38810124290.

It is an arithmetic number, because the mean of its divisors is an integer number (116430372858).

Almost surely, 2^388101242855 is an apocalyptic number.

388101242855 is a deficient number, since it is larger than the sum of its proper divisors (77620248577).

388101242855 is an equidigital number, since it uses as much as digits as its factorization.

388101242855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77620248576.

The product of its (nonzero) digits is 614400, while the sum is 47.

The spelling of 388101242855 in words is "three hundred eighty-eight billion, one hundred one million, two hundred forty-two thousand, eight hundred fifty-five".