5125151642 has 32 divisors (see below), whose sum is σ = 8388736272. Its totient is φ = 2334334464.

The previous prime is 5125151641. The next prime is 5125151657. The reversal of 5125151642 is 2461515215.

It can be written as a sum of positive squares in 8 ways, for example, as 4455429001 + 669722641 = 66749^2 + 25879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5125151599 and 5125151608.

It is not an unprimeable number, because it can be changed into a prime (5125151641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612068 + ... + 620384.

Almost surely, 2^5125151642 is an apocalyptic number.

5125151642 is a deficient number, since it is larger than the sum of its proper divisors (3263584630).

5125151642 is a wasteful number, since it uses less digits than its factorization.

5125151642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8642.

The product of its digits is 12000, while the sum is 32.

The square root of 5125151642 is about 71590.1644222165. The cubic root of 5125151642 is about 1724.1256247248.

Adding to 5125151642 its reverse (2461515215), we get a palindrome (7586666857).

The spelling of 5125151642 in words is "five billion, one hundred twenty-five million, one hundred fifty-one thousand, six hundred forty-two".