5112636842 has 8 divisors (see below), whose sum is σ = 7669522596. Its totient is φ = 2556129312.

The previous prime is 5112636827. The next prime is 5112636877. The reversal of 5112636842 is 2486362115.

It can be written as a sum of positive squares in 2 ways, for example, as 5092106881 + 20529961 = 71359^2 + 4531^2 .

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

It is a super-2 number, since 2×5112636842² = 52278110956351465928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5112636796 and 5112636805.

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, 57923 + ... + 116534.

Almost surely, 2^5112636842 is an apocalyptic number.

5112636842 is a deficient number, since it is larger than the sum of its proper divisors (2556885754).

5112636842 is a wasteful number, since it uses less digits than its factorization.

5112636842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189112.

The product of its digits is 69120, while the sum is 38.

The square root of 5112636842 is about 71502.7051376380. The cubic root of 5112636842 is about 1722.7211346505.

Adding to 5112636842 its reverse (2486362115), we get a palindrome (7598998957).

The spelling of 5112636842 in words is "five billion, one hundred twelve million, six hundred thirty-six thousand, eight hundred forty-two".