38717228462155 has 4 divisors (see below), whose sum is σ = 46460674154592. Its totient is φ = 30973782769720.

The previous prime is 38717228462153. The next prime is 38717228462177. The reversal of 38717228462155 is 55126482271783.

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

It is not a de Polignac number, because 38717228462155 - 2¹ = 38717228462153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38717228462093 and 38717228462102.

It is not an unprimeable number, because it can be changed into a prime (38717228462153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3871722846211 + ... + 3871722846220.

It is an arithmetic number, because the mean of its divisors is an integer number (11615168538648).

Almost surely, 2^{38717228462155} is an apocalyptic number.

38717228462155 is a deficient number, since it is larger than the sum of its proper divisors (7743445692437).

38717228462155 is an equidigital number, since it uses as much as digits as its factorization.

38717228462155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743445692436.

The product of its digits is 45158400, while the sum is 61.

The spelling of 38717228462155 in words is "thirty-eight trillion, seven hundred seventeen billion, two hundred twenty-eight million, four hundred sixty-two thousand, one hundred fifty-five".