5571218892 has 12 divisors (see below), whose sum is σ = 12999510776. Its totient is φ = 1857072960.

The previous prime is 5571218881. The next prime is 5571218897. The reversal of 5571218892 is 2988121755.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (5571218897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232134109 + ... + 232134132.

Almost surely, 2^5571218892 is an apocalyptic number.

It is an amenable number.

5571218892 is an abundant number, since it is smaller than the sum of its proper divisors (7428291884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5571218892 is a wasteful number, since it uses less digits than its factorization.

5571218892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464268248 (or 464268246 counting only the distinct ones).

The product of its digits is 403200, while the sum is 48.

The square root of 5571218892 is about 74640.5981487287. The cubic root of 5571218892 is about 1772.7605313428.

The spelling of 5571218892 in words is "five billion, five hundred seventy-one million, two hundred eighteen thousand, eight hundred ninety-two".