1867803040081 has 12 divisors (see below), whose sum is σ = 2053230074896. Its totient is φ = 1697845315320.

The previous prime is 1867803040073. The next prime is 1867803040099. The reversal of 1867803040081 is 1800403087681.

It is not a de Polignac number, because 1867803040081 - 2³ = 1867803040073 is a prime.

It is a super-2 number, since 2×1867803040081² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1867803040981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604666 + ... + 2025148.

Almost surely, 2^{1867803040081} is an apocalyptic number.

1867803040081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1867803040081 is a deficient number, since it is larger than the sum of its proper divisors (185427034815).

1867803040081 is a wasteful number, since it uses less digits than its factorization.

1867803040081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431372 (or 1431361 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 1867803040081 in words is "one trillion, eight hundred sixty-seven billion, eight hundred three million, forty thousand, eighty-one".