80811821511414 has 96 divisors (see below), whose sum is σ = 208933266447360. Its totient is φ = 22071725729856.

The previous prime is 80811821511371. The next prime is 80811821511481. The reversal of 80811821511414 is 41411512811808.

80811821511414 is a `hidden beast` number, since 8 + 0 + 8 + 1 + 1 + 8 + 215 + 11 + 414 = 666.

80811821511414 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×80811821511414² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80811821511414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3773194 + ... + 13261245.

It is an arithmetic number, because the mean of its divisors is an integer number (2176388192160).

Almost surely, 2^{80811821511414} is an apocalyptic number.

80811821511414 is an abundant number, since it is smaller than the sum of its proper divisors (128121444935946).

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

80811821511414 is a wasteful number, since it uses less digits than its factorization.

80811821511414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17036114 (or 17036111 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 45.

The spelling of 80811821511414 in words is "eighty trillion, eight hundred eleven billion, eight hundred twenty-one million, five hundred eleven thousand, four hundred fourteen".