5127020525557 has 4 divisors (see below), whose sum is σ = 5859452029216. Its totient is φ = 4394589021900.

The previous prime is 5127020525521. The next prime is 5127020525563. The reversal of 5127020525557 is 7555250207215.

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 not a de Polignac number, because 5127020525557 - 2²³ = 5127012136949 is a prime.

It is the 2264293-rd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5127020525257) by changing a digit.

It is a nontrivial repunit in base 2264292.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366215751819 + ... + 366215751832.

It is an arithmetic number, because the mean of its divisors is an integer number (1464863007304).

Almost surely, 2^{5127020525557} is an apocalyptic number.

It is an amenable number.

5127020525557 is a deficient number, since it is larger than the sum of its proper divisors (732431503659).

5127020525557 is an equidigital number, since it uses as much as digits as its factorization.

5127020525557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732431503658.

The product of its (nonzero) digits is 1225000, while the sum is 46.

The spelling of 5127020525557 in words is "five trillion, one hundred twenty-seven billion, twenty million, five hundred twenty-five thousand, five hundred fifty-seven".