5042644125251 has 32 divisors (see below), whose sum is σ = 5197977120000. Its totient is φ = 4890127334400.

The previous prime is 5042644125199. The next prime is 5042644125271. The reversal of 5042644125251 is 1525214462405.

It is a de Polignac number, because none of the positive numbers 2^k-5042644125251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5042644125199 and 5042644125208.

It is not an unprimeable number, because it can be changed into a prime (5042644125271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2799912551 + ... + 2799914351.

It is an arithmetic number, because the mean of its divisors is an integer number (162436785000).

Almost surely, 2^{5042644125251} is an apocalyptic number.

5042644125251 is a deficient number, since it is larger than the sum of its proper divisors (155332994749).

5042644125251 is a wasteful number, since it uses less digits than its factorization.

5042644125251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 5042644125251 its reverse (1525214462405), we get a palindrome (6567858587656).

The spelling of 5042644125251 in words is "five trillion, forty-two billion, six hundred forty-four million, one hundred twenty-five thousand, two hundred fifty-one".