12438083541145 has 8 divisors (see below), whose sum is σ = 14926012808904. Its totient is φ = 9950258459904.

The previous prime is 12438083541101. The next prime is 12438083541161. The reversal of 12438083541145 is 54114538083421.

It can be written as a sum of positive squares in 4 ways, for example, as 2459712312409 + 9978371228736 = 1568347^2 + 3158856^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12438083541145 - 2⁴¹ = 10239060285593 is a prime.

It is a super-2 number, since 2×12438083541145² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25783744 + ... + 26261713.

It is an arithmetic number, because the mean of its divisors is an integer number (1865751601113).

Almost surely, 2^{12438083541145} is an apocalyptic number.

It is an amenable number.

12438083541145 is a deficient number, since it is larger than the sum of its proper divisors (2487929267759).

12438083541145 is an equidigital number, since it uses as much as digits as its factorization.

12438083541145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52093259.

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 12438083541145 in words is "twelve trillion, four hundred thirty-eight billion, eighty-three million, five hundred forty-one thousand, one hundred forty-five".