5051355102421 has 4 divisors (see below), whose sum is σ = 5064897609772. Its totient is φ = 5037812595072.

The previous prime is 5051355102413. The next prime is 5051355102499. The reversal of 5051355102421 is 1242015531505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 911473093521 + 4139882008900 = 954711^2 + 2034670^2 .

It is a cyclic number.

It is not a de Polignac number, because 5051355102421 - 2³ = 5051355102413 is a prime.

It is a super-2 number, since 2×5051355102421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051355108421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6771253116 + ... + 6771253861.

It is an arithmetic number, because the mean of its divisors is an integer number (1266224402443).

Almost surely, 2^{5051355102421} is an apocalyptic number.

It is an amenable number.

5051355102421 is a deficient number, since it is larger than the sum of its proper divisors (13542507351).

5051355102421 is a wasteful number, since it uses less digits than its factorization.

5051355102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13542507350.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 5051355102421 in words is "five trillion, fifty-one billion, three hundred fifty-five million, one hundred two thousand, four hundred twenty-one".