4999111231 has 16 divisors (see below), whose sum is σ = 5137574400. Its totient is φ = 4863089088.

The previous prime is 4999111217. The next prime is 4999111237. The reversal of 4999111231 is 1321119994.

It is a cyclic number.

It is not a de Polignac number, because 4999111231 - 2⁹ = 4999110719 is a prime.

It is a super-2 number, since 2×4999111231² = 49982226199820670722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999111237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1502736 + ... + 1506058.

It is an arithmetic number, because the mean of its divisors is an integer number (321098400).

Almost surely, 2^4999111231 is an apocalyptic number.

4999111231 is a deficient number, since it is larger than the sum of its proper divisors (138463169).

4999111231 is a wasteful number, since it uses less digits than its factorization.

4999111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678.

The product of its digits is 17496, while the sum is 40.

The square root of 4999111231 is about 70704.3932934864. The cubic root of 4999111231 is about 1709.8746224321.

The spelling of 4999111231 in words is "four billion, nine hundred ninety-nine million, one hundred eleven thousand, two hundred thirty-one".