5016131261 has 4 divisors (see below), whose sum is σ = 5025041472. Its totient is φ = 5007221052.

The previous prime is 5016131257. The next prime is 5016131269. The reversal of 5016131261 is 1621316105.

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 5016131261 - 2² = 5016131257 is a prime.

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 5016131261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5016131269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4454261 + ... + 4455386.

It is an arithmetic number, because the mean of its divisors is an integer number (1256260368).

Almost surely, 2^5016131261 is an apocalyptic number.

It is an amenable number.

5016131261 is a deficient number, since it is larger than the sum of its proper divisors (8910211).

5016131261 is an equidigital number, since it uses as much as digits as its factorization.

5016131261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8910210.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 5016131261 is about 70824.6515063788. The cubic root of 5016131261 is about 1711.8129104745.

Adding to 5016131261 its reverse (1621316105), we get a palindrome (6637447366).

The spelling of 5016131261 in words is "five billion, sixteen million, one hundred thirty-one thousand, two hundred sixty-one".