1811480467848 has 32 divisors (see below), whose sum is σ = 4528735720800. Its totient is φ = 603822215808.

The previous prime is 1811480467733. The next prime is 1811480467859. The reversal of 1811480467848 is 8487640841181.

It is a happy number.

It is a super-2 number, since 2×1811480467848² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1811480467791 and 1811480467800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4655415 + ... + 5029497.

It is an arithmetic number, because the mean of its divisors is an integer number (141522991275).

Almost surely, 2^{1811480467848} is an apocalyptic number.

It is an amenable number.

1811480467848 is an abundant number, since it is smaller than the sum of its proper divisors (2717255252952).

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

1811480467848 is a wasteful number, since it uses less digits than its factorization.

1811480467848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575861 (or 575857 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 60.

The spelling of 1811480467848 in words is "one trillion, eight hundred eleven billion, four hundred eighty million, four hundred sixty-seven thousand, eight hundred forty-eight".