38148821155 has 8 divisors (see below), whose sum is σ = 45812081952. Its totient is φ = 30496725888.

The previous prime is 38148821149. The next prime is 38148821233. The reversal of 38148821155 is 55112884183.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38148821155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2783862 + ... + 2797531.

It is an arithmetic number, because the mean of its divisors is an integer number (5726510244).

Almost surely, 2^38148821155 is an apocalyptic number.

38148821155 is a deficient number, since it is larger than the sum of its proper divisors (7663260797).

38148821155 is a wasteful number, since it uses less digits than its factorization.

38148821155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582765.

The product of its digits is 307200, while the sum is 46.

The spelling of 38148821155 in words is "thirty-eight billion, one hundred forty-eight million, eight hundred twenty-one thousand, one hundred fifty-five".