39660641211 has 8 divisors (see below), whose sum is σ = 55664057920. Its totient is φ = 25048825992.

The previous prime is 39660641183. The next prime is 39660641299. The reversal of 39660641211 is 11214606693.

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

It is not a de Polignac number, because 39660641211 - 2¹⁵ = 39660608443 is a prime.

It is a super-2 number, since 2×39660641211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39660641211.

It is not an unprimeable number, because it can be changed into a prime (39660641411) 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, 347900305 + ... + 347900418.

It is an arithmetic number, because the mean of its divisors is an integer number (6958007240).

Almost surely, 2^39660641211 is an apocalyptic number.

39660641211 is a deficient number, since it is larger than the sum of its proper divisors (16003416709).

39660641211 is a wasteful number, since it uses less digits than its factorization.

39660641211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695800745.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 39660641211 in words is "thirty-nine billion, six hundred sixty million, six hundred forty-one thousand, two hundred eleven".