4138538515075 has 12 divisors (see below), whose sum is σ = 5132023848400. Its totient is φ = 3310678496160.

The previous prime is 4138538515061. The next prime is 4138538515087. The reversal of 4138538515075 is 5705158358314.

It is a happy number.

It is not a de Polignac number, because 4138538515075 - 2⁵ = 4138538515043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3252024 + ... + 4341973.

Almost surely, 2^{4138538515075} is an apocalyptic number.

4138538515075 is a deficient number, since it is larger than the sum of its proper divisors (993485333325).

4138538515075 is a wasteful number, since it uses less digits than its factorization.

4138538515075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615806 (or 7615801 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 55.

The spelling of 4138538515075 in words is "four trillion, one hundred thirty-eight billion, five hundred thirty-eight million, five hundred fifteen thousand, seventy-five".