5205403125451 has 8 divisors (see below), whose sum is σ = 5245267382784. Its totient is φ = 5165540813160.

The previous prime is 5205403125407. The next prime is 5205403125473. The reversal of 5205403125451 is 1545213045025.

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 5205403125451 - 2⁹ = 5205403124939 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 5205403125451.

It is not an unprimeable number, because it can be changed into a prime (5205403125751) 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, 5134510 + ... + 6064156.

It is an arithmetic number, because the mean of its divisors is an integer number (655658422848).

Almost surely, 2^{5205403125451} is an apocalyptic number.

5205403125451 is a deficient number, since it is larger than the sum of its proper divisors (39864257333).

5205403125451 is a wasteful number, since it uses less digits than its factorization.

5205403125451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972521.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 5205403125451 in words is "five trillion, two hundred five billion, four hundred three million, one hundred twenty-five thousand, four hundred fifty-one".