5771118820 has 12 divisors (see below), whose sum is σ = 12119349564. Its totient is φ = 2308447520.

The previous prime is 5771118779. The next prime is 5771118841. The reversal of 5771118820 is 288111775.

It can be written as a sum of positive squares in 2 ways, for example, as 2711701476 + 3059417344 = 52074^2 + 55312^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144277951 + ... + 144277990.

It is an arithmetic number, because the mean of its divisors is an integer number (1009945797).

Almost surely, 2^5771118820 is an apocalyptic number.

It is an amenable number.

5771118820 is an abundant number, since it is smaller than the sum of its proper divisors (6348230744).

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

5771118820 is a wasteful number, since it uses less digits than its factorization.

5771118820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288555950 (or 288555948 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 40.

The square root of 5771118820 is about 75967.8801862998. The cubic root of 5771118820 is about 1793.7145816152.

The spelling of 5771118820 in words is "five billion, seven hundred seventy-one million, one hundred eighteen thousand, eight hundred twenty".