5525123211 has 32 divisors (see below), whose sum is σ = 8629248000. Its totient is φ = 3488728320.

The previous prime is 5525123179. The next prime is 5525123213. The reversal of 5525123211 is 1123215255.

5525123211 is a `hidden beast` number, since 5 + 525 + 123 + 2 + 11 = 666.

It is not a de Polignac number, because 5525123211 - 2⁵ = 5525123179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5525123213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30886 + ... + 109563.

It is an arithmetic number, because the mean of its divisors is an integer number (269664000).

Almost surely, 2^5525123211 is an apocalyptic number.

5525123211 is a deficient number, since it is larger than the sum of its proper divisors (3104124789).

5525123211 is a wasteful number, since it uses less digits than its factorization.

5525123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140536 (or 140530 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 5525123211 is about 74331.1725388481. The cubic root of 5525123211 is about 1767.8577731516.

Adding to 5525123211 its reverse (1123215255), we get a palindrome (6648338466).

The spelling of 5525123211 in words is "five billion, five hundred twenty-five million, one hundred twenty-three thousand, two hundred eleven".