38721112238525 has 12 divisors (see below), whose sum is σ = 48037163529300. Its totient is φ = 30962061175680.

The previous prime is 38721112238491. The next prime is 38721112238569. The reversal of 38721112238525 is 52583221112783.

It can be written as a sum of positive squares in 6 ways, for example, as 1339211361049 + 37381900877476 = 1157243^2 + 6114074^2 .

It is not a de Polignac number, because 38721112238525 - 2⁸ = 38721112238269 is a prime.

It is a congruent number.

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, 370662110 + ... + 370766559.

It is an arithmetic number, because the mean of its divisors is an integer number (4003096960775).

Almost surely, 2^{38721112238525} is an apocalyptic number.

It is an amenable number.

38721112238525 is a deficient number, since it is larger than the sum of its proper divisors (9316051290775).

38721112238525 is a wasteful number, since it uses less digits than its factorization.

38721112238525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741430768 (or 741430763 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The spelling of 38721112238525 in words is "thirty-eight trillion, seven hundred twenty-one billion, one hundred twelve million, two hundred thirty-eight thousand, five hundred twenty-five".