5251409575861 has 8 divisors (see below), whose sum is σ = 5253083567424. Its totient is φ = 5249735796000.

The previous prime is 5251409575849. The next prime is 5251409575873. The reversal of 5251409575861 is 1685759041525.

It is an interprime number because it is at equal distance from previous prime (5251409575849) and next prime (5251409575873).

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 5251409575861 - 2¹⁷ = 5251409444789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5251409575796 and 5251409575805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251409575891) 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, 60052776 + ... + 60140158.

It is an arithmetic number, because the mean of its divisors is an integer number (656635445928).

Almost surely, 2^{5251409575861} is an apocalyptic number.

It is an amenable number.

5251409575861 is a deficient number, since it is larger than the sum of its proper divisors (1673991563).

5251409575861 is a wasteful number, since it uses less digits than its factorization.

5251409575861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105851.

The product of its (nonzero) digits is 15120000, while the sum is 58.

The spelling of 5251409575861 in words is "five trillion, two hundred fifty-one billion, four hundred nine million, five hundred seventy-five thousand, eight hundred sixty-one".