1801231188264 has 64 divisors (see below), whose sum is σ = 5003865288000. Its totient is φ = 600356957760.

The previous prime is 1801231188227. The next prime is 1801231188301. The reversal of 1801231188264 is 4628811321081.

1801231188264 is a `hidden beast` number, since 1 + 80 + 1 + 231 + 1 + 88 + 264 = 666.

It is an interprime number because it is at equal distance from previous prime (1801231188227) and next prime (1801231188301).

It is a super-2 number, since 2×1801231188264² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2099382 + ... + 2830170.

It is an arithmetic number, because the mean of its divisors is an integer number (78185395125).

Almost surely, 2^{1801231188264} is an apocalyptic number.

It is an amenable number.

1801231188264 is an abundant number, since it is smaller than the sum of its proper divisors (3202634099736).

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

1801231188264 is a wasteful number, since it uses less digits than its factorization.

1801231188264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742215 (or 742205 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 1801231188264 in words is "one trillion, eight hundred one billion, two hundred thirty-one million, one hundred eighty-eight thousand, two hundred sixty-four".