5265122181 has 64 divisors (see below), whose sum is σ = 8143994880. Its totient is φ = 2996280000.

The previous prime is 5265122123. The next prime is 5265122201. The reversal of 5265122181 is 1812215625.

It is not a de Polignac number, because 5265122181 - 2⁶ = 5265122117 is a prime.

It is a super-2 number, since 2×5265122181² = 55443023161716393522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5265122101) 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, 5009106 + ... + 5010156.

It is an arithmetic number, because the mean of its divisors is an integer number (127249920).

Almost surely, 2^5265122181 is an apocalyptic number.

It is an amenable number.

5265122181 is a deficient number, since it is larger than the sum of its proper divisors (2878872699).

5265122181 is a wasteful number, since it uses less digits than its factorization.

5265122181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238.

The product of its digits is 9600, while the sum is 33.

The square root of 5265122181 is about 72561.1616569084. The cubic root of 5265122181 is about 1739.6804562500.

The spelling of 5265122181 in words is "five billion, two hundred sixty-five million, one hundred twenty-two thousand, one hundred eighty-one".