39860397007121 has 8 divisors (see below), whose sum is σ = 43103107653120. Its totient is φ = 36717462073408.

The previous prime is 39860397007037. The next prime is 39860397007133. The reversal of 39860397007121 is 12170079306893.

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 39860397007121 - 2¹⁰ = 39860397006097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39860397001121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24943927241 + ... + 24943928838.

It is an arithmetic number, because the mean of its divisors is an integer number (5387888456640).

Almost surely, 2^{39860397007121} is an apocalyptic number.

It is an amenable number.

39860397007121 is a deficient number, since it is larger than the sum of its proper divisors (3242710645999).

39860397007121 is a wasteful number, since it uses less digits than its factorization.

39860397007121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49887856143.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The spelling of 39860397007121 in words is "thirty-nine trillion, eight hundred sixty billion, three hundred ninety-seven million, seven thousand, one hundred twenty-one".