38578785165041 has 4 divisors (see below), whose sum is σ = 42085947452784. Its totient is φ = 35071622877300.

The previous prime is 38578785165001. The next prime is 38578785165091. The reversal of 38578785165041 is 14056158787583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38578785165041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38578785165001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753581143855 + ... + 1753581143876.

It is an arithmetic number, because the mean of its divisors is an integer number (10521486863196).

Almost surely, 2^{38578785165041} is an apocalyptic number.

It is an amenable number.

38578785165041 is a deficient number, since it is larger than the sum of its proper divisors (3507162287743).

38578785165041 is a wasteful number, since it uses less digits than its factorization.

38578785165041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507162287742.

The product of its (nonzero) digits is 225792000, while the sum is 68.

The spelling of 38578785165041 in words is "thirty-eight trillion, five hundred seventy-eight billion, seven hundred eighty-five million, one hundred sixty-five thousand, forty-one".