38387525811306 has 64 divisors (see below), whose sum is σ = 88113444925440. Its totient is φ = 10921555088640.

The previous prime is 38387525811269. The next prime is 38387525811307. The reversal of 38387525811306 is 60311852578383.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38387525811306.

It is not an unprimeable number, because it can be changed into a prime (38387525811307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145696035 + ... + 145959273.

It is an arithmetic number, because the mean of its divisors is an integer number (1376772576960).

Almost surely, 2^{38387525811306} is an apocalyptic number.

38387525811306 is an abundant number, since it is smaller than the sum of its proper divisors (49725919114134).

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

38387525811306 is a wasteful number, since it uses less digits than its factorization.

38387525811306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277899.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 38387525811306 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred twenty-five million, eight hundred eleven thousand, three hundred six".