5211771125 has 64 divisors (see below), whose sum is σ = 7264408320. Its totient is φ = 3701376000.

The previous prime is 5211771121. The next prime is 5211771151.

5211771125 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5211771125 - 2² = 5211771121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5211771091 and 5211771100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211771121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13751186 + ... + 13751564.

It is an arithmetic number, because the mean of its divisors is an integer number (113506380).

Almost surely, 2^5211771125 is an apocalyptic number.

5211771125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5211771125 is a deficient number, since it is larger than the sum of its proper divisors (2052637195).

5211771125 is a wasteful number, since it uses less digits than its factorization.

5211771125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 605 counting only the distinct ones).

The product of its digits is 4900, while the sum is 32.

The square root of 5211771125 is about 72192.5974390727. The cubic root of 5211771125 is about 1733.7844830541.

The spelling of 5211771125 in words is "five billion, two hundred eleven million, seven hundred seventy-one thousand, one hundred twenty-five".