5101802778251 has 8 divisors (see below), whose sum is σ = 5118589161504. Its totient is φ = 5085018843520.

The previous prime is 5101802778203. The next prime is 5101802778253. The reversal of 5101802778251 is 1528772081015.

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

It is a cyclic number.

It is not a de Polignac number, because 5101802778251 - 2⁶ = 5101802778187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5101802778196 and 5101802778205.

It is not an unprimeable number, because it can be changed into a prime (5101802778253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3609785 + ... + 4820181.

It is an arithmetic number, because the mean of its divisors is an integer number (639823645188).

Almost surely, 2^{5101802778251} is an apocalyptic number.

5101802778251 is a deficient number, since it is larger than the sum of its proper divisors (16786383253).

5101802778251 is a wasteful number, since it uses less digits than its factorization.

5101802778251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224261.

The product of its (nonzero) digits is 313600, while the sum is 47.

The spelling of 5101802778251 in words is "five trillion, one hundred one billion, eight hundred two million, seven hundred seventy-eight thousand, two hundred fifty-one".