38109113815038 has 64 divisors (see below), whose sum is σ = 89919462899712. Its totient is φ = 10536727263840.

The previous prime is 38109113815009. The next prime is 38109113815043. The reversal of 38109113815038 is 83051831190183.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39419595 + ... + 40374777.

It is an arithmetic number, because the mean of its divisors is an integer number (1404991607808).

Almost surely, 2^{38109113815038} is an apocalyptic number.

38109113815038 is an abundant number, since it is smaller than the sum of its proper divisors (51810349084674).

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

38109113815038 is a wasteful number, since it uses less digits than its factorization.

38109113815038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985869.

The product of its (nonzero) digits is 622080, while the sum is 51.

The spelling of 38109113815038 in words is "thirty-eight trillion, one hundred nine billion, one hundred thirteen million, eight hundred fifteen thousand, thirty-eight".