38525344611605 has 4 divisors (see below), whose sum is σ = 46230413533932. Its totient is φ = 30820275689280.

The previous prime is 38525344611601. The next prime is 38525344611613. The reversal of 38525344611605 is 50611644352583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25283911512721 + 13241433098884 = 5028311^2 + 3638878^2 .

It is not a de Polignac number, because 38525344611605 - 2² = 38525344611601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38525344611601) 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, 3852534461156 + ... + 3852534461165.

It is an arithmetic number, because the mean of its divisors is an integer number (11557603383483).

Almost surely, 2^{38525344611605} is an apocalyptic number.

It is an amenable number.

38525344611605 is a deficient number, since it is larger than the sum of its proper divisors (7705068922327).

38525344611605 is an equidigital number, since it uses as much as digits as its factorization.

38525344611605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705068922326.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 38525344611605 in words is "thirty-eight trillion, five hundred twenty-five billion, three hundred forty-four million, six hundred eleven thousand, six hundred five".