3999550268011 has 8 divisors (see below), whose sum is σ = 4216409892864. Its totient is φ = 3788180760360.

The previous prime is 3999550268009. The next prime is 3999550268113. The reversal of 3999550268011 is 1108620559993.

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 3999550268011 - 2¹ = 3999550268009 is a prime.

It is a super-2 number, since 2×3999550268011² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3999550266011) 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, 1372527805 + ... + 1372530718.

It is an arithmetic number, because the mean of its divisors is an integer number (527051236608).

Almost surely, 2^{3999550268011} is an apocalyptic number.

3999550268011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3999550268011 is a deficient number, since it is larger than the sum of its proper divisors (216859624853).

3999550268011 is a wasteful number, since it uses less digits than its factorization.

3999550268011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745058601.

The product of its (nonzero) digits is 5248800, while the sum is 58.

The spelling of 3999550268011 in words is "three trillion, nine hundred ninety-nine billion, five hundred fifty million, two hundred sixty-eight thousand, eleven".