5100126261 has 4 divisors (see below), whose sum is σ = 6800168352. Its totient is φ = 3400084172.

The previous prime is 5100126257. The next prime is 5100126307. The reversal of 5100126261 is 1626210015.

5100126261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5100126261 - 2² = 5100126257 is a prime.

It is a super-2 number, since 2×5100126261² = 52022575756283680242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100126461) 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, 850021041 + ... + 850021046.

It is an arithmetic number, because the mean of its divisors is an integer number (1700042088).

Almost surely, 2^5100126261 is an apocalyptic number.

It is an amenable number.

5100126261 is a deficient number, since it is larger than the sum of its proper divisors (1700042091).

5100126261 is a wasteful number, since it uses less digits than its factorization.

5100126261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700042090.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 5100126261 is about 71415.1682837757. The cubic root of 5100126261 is about 1721.3148253893.

Adding to 5100126261 its reverse (1626210015), we get a palindrome (6726336276).

The spelling of 5100126261 in words is "five billion, one hundred million, one hundred twenty-six thousand, two hundred sixty-one".