38711834205128 has 16 divisors (see below), whose sum is σ = 82953930439680. Its totient is φ = 16590786087888.

The previous prime is 38711834205103. The next prime is 38711834205181. The reversal of 38711834205128 is 82150243811783.

It is a super-2 number, since 2×38711834205128² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38711834205128.

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, 345641376776 + ... + 345641376887.

It is an arithmetic number, because the mean of its divisors is an integer number (5184620652480).

Almost surely, 2^{38711834205128} is an apocalyptic number.

It is an amenable number.

38711834205128 is an abundant number, since it is smaller than the sum of its proper divisors (44242096234552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38711834205128 is a wasteful number, since it uses less digits than its factorization.

38711834205128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691282753676 (or 691282753672 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 38711834205128 in words is "thirty-eight trillion, seven hundred eleven billion, eight hundred thirty-four million, two hundred five thousand, one hundred twenty-eight".