5121110250251 has 8 divisors (see below), whose sum is σ = 5183041088064. Its totient is φ = 5059184905800.

The previous prime is 5121110250239. The next prime is 5121110250287. The reversal of 5121110250251 is 1520520111215.

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 5121110250251 - 2⁴² = 723063739147 is a prime.

It is a super-3 number, since 3×5121110250251³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5121110250251.

It is not an unprimeable number, because it can be changed into a prime (5121110250551) 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, 518060 + ... + 3242006.

It is an arithmetic number, because the mean of its divisors is an integer number (647880136008).

Almost surely, 2^{5121110250251} is an apocalyptic number.

5121110250251 is a deficient number, since it is larger than the sum of its proper divisors (61930837813).

5121110250251 is a wasteful number, since it uses less digits than its factorization.

5121110250251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746681.

The product of its (nonzero) digits is 1000, while the sum is 26.

Adding to 5121110250251 its reverse (1520520111215), we get a palindrome (6641630361466).

The spelling of 5121110250251 in words is "five trillion, one hundred twenty-one billion, one hundred ten million, two hundred fifty thousand, two hundred fifty-one".