1801800931411 has 48 divisors (see below), whose sum is σ = 2171636706400. Its totient is φ = 1481684078592.

The previous prime is 1801800931379. The next prime is 1801800931439. The reversal of 1801800931411 is 1141390081081.

It is a happy number.

It is not a de Polignac number, because 1801800931411 - 2⁵ = 1801800931379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1801800931471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86577175 + ... + 86597983.

Almost surely, 2^{1801800931411} is an apocalyptic number.

1801800931411 is a deficient number, since it is larger than the sum of its proper divisors (369835774989).

1801800931411 is a wasteful number, since it uses less digits than its factorization.

1801800931411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22088 (or 22071 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 37.

The spelling of 1801800931411 in words is "one trillion, eight hundred one billion, eight hundred million, nine hundred thirty-one thousand, four hundred eleven".