5100104663261 has 4 divisors (see below), whose sum is σ = 5100155205024. Its totient is φ = 5100054121500.

The previous prime is 5100104663239. The next prime is 5100104663273. The reversal of 5100104663261 is 1623664010015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5100104663261 - 2⁶ = 5100104663197 is a prime.

It is a super-2 number, since 2×5100104663261² (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 (5100104663281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25119215 + ... + 25321436.

It is an arithmetic number, because the mean of its divisors is an integer number (1275038801256).

Almost surely, 2^{5100104663261} is an apocalyptic number.

It is an amenable number.

5100104663261 is a deficient number, since it is larger than the sum of its proper divisors (50541763).

5100104663261 is a wasteful number, since it uses less digits than its factorization.

5100104663261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50541762.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 5100104663261 its reverse (1623664010015), we get a palindrome (6723768673276).

The spelling of 5100104663261 in words is "five trillion, one hundred billion, one hundred four million, six hundred sixty-three thousand, two hundred sixty-one".