804468881511 has 96 divisors (see below), whose sum is σ = 1295314475520. Its totient is φ = 479567692800.

The previous prime is 804468881509. The next prime is 804468881543. The reversal of 804468881511 is 115188864408.

804468881511 is a `hidden beast` number, since 8 + 0 + 4 + 46 + 8 + 8 + 81 + 511 = 666.

It is not a de Polignac number, because 804468881511 - 2¹ = 804468881509 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804468881561) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18239361 + ... + 18283413.

It is an arithmetic number, because the mean of its divisors is an integer number (13492859120).

Almost surely, 2^804468881511 is an apocalyptic number.

804468881511 is a deficient number, since it is larger than the sum of its proper divisors (490845594009).

804468881511 is a wasteful number, since it uses less digits than its factorization.

804468881511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44217 (or 44214 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 54.

The spelling of 804468881511 in words is "eight hundred four billion, four hundred sixty-eight million, eight hundred eighty-one thousand, five hundred eleven".