4999561156 has 12 divisors (see below), whose sum is σ = 8962628220. Its totient is φ = 2438810240.

The previous prime is 4999561123. The next prime is 4999561163. The reversal of 4999561156 is 6511659994.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 752953600 + 4246607556 = 27440^2 + 65166^2 .

It is a super-2 number, since 2×4999561156² = 49991223505168112672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4999561097 and 4999561106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15242401 + ... + 15242728.

It is an arithmetic number, because the mean of its divisors is an integer number (746885685).

Almost surely, 2^4999561156 is an apocalyptic number.

It is an amenable number.

4999561156 is a deficient number, since it is larger than the sum of its proper divisors (3963067064).

4999561156 is a wasteful number, since it uses less digits than its factorization.

4999561156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30485174 (or 30485172 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 55.

The square root of 4999561156 is about 70707.5749548802. The cubic root of 4999561156 is about 1709.9259177007.

The spelling of 4999561156 in words is "four billion, nine hundred ninety-nine million, five hundred sixty-one thousand, one hundred fifty-six".