4611771171820 has 12 divisors (see below), whose sum is σ = 9684719460864. Its totient is φ = 1844708468720.

The previous prime is 4611771171773. The next prime is 4611771171829. The reversal of 4611771171820 is 281711771164.

It is a super-2 number, since 2×4611771171820² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4611771171829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115294279276 + ... + 115294279315.

It is an arithmetic number, because the mean of its divisors is an integer number (807059955072).

Almost surely, 2^{4611771171820} is an apocalyptic number.

It is an amenable number.

4611771171820 is an abundant number, since it is smaller than the sum of its proper divisors (5072948289044).

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

4611771171820 is a wasteful number, since it uses less digits than its factorization.

4611771171820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230588558600 (or 230588558598 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 46.

The spelling of 4611771171820 in words is "four trillion, six hundred eleven billion, seven hundred seventy-one million, one hundred seventy-one thousand, eight hundred twenty".