80818567418511 has 12 divisors (see below), whose sum is σ = 125717771540088. Its totient is φ = 49734503026704.

The previous prime is 80818567418467. The next prime is 80818567418543. The reversal of 80818567418511 is 11581476581808.

80818567418511 is a `hidden beast` number, since 8 + 0 + 8 + 1 + 8 + 567 + 4 + 18 + 51 + 1 = 666.

It is not a de Polignac number, because 80818567418511 - 2¹⁴ = 80818567402127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80818567411511) 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, 345378493125 + ... + 345378493358.

It is an arithmetic number, because the mean of its divisors is an integer number (10476480961674).

Almost surely, 2^{80818567418511} is an apocalyptic number.

80818567418511 is a deficient number, since it is larger than the sum of its proper divisors (44899204121577).

80818567418511 is a wasteful number, since it uses less digits than its factorization.

80818567418511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690756986502 (or 690756986499 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 63.

The spelling of 80818567418511 in words is "eighty trillion, eight hundred eighteen billion, five hundred sixty-seven million, four hundred eighteen thousand, five hundred eleven".