5125341653909 has 4 divisors (see below), whose sum is σ = 5290675255680. Its totient is φ = 4960008052140.

The previous prime is 5125341653849. The next prime is 5125341653917. The reversal of 5125341653909 is 9093561435215.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-5125341653909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125341653009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82666800839 + ... + 82666800900.

It is an arithmetic number, because the mean of its divisors is an integer number (1322668813920).

Almost surely, 2^{5125341653909} is an apocalyptic number.

It is an amenable number.

5125341653909 is a deficient number, since it is larger than the sum of its proper divisors (165333601771).

5125341653909 is a wasteful number, since it uses less digits than its factorization.

5125341653909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165333601770.

The product of its (nonzero) digits is 4374000, while the sum is 53.

The spelling of 5125341653909 in words is "five trillion, one hundred twenty-five billion, three hundred forty-one million, six hundred fifty-three thousand, nine hundred nine".