80010356981761 has 4 divisors (see below), whose sum is σ = 80011905850800. Its totient is φ = 80008808112724.

The previous prime is 80010356981749. The next prime is 80010356981831. The reversal of 80010356981761 is 16718965301008.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80010356981761 - 2⁹ = 80010356981249 is a prime.

It is a super-2 number, since 2×80010356981761² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80010356981561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774357031 + ... + 774460348.

It is an arithmetic number, because the mean of its divisors is an integer number (20002976462700).

Almost surely, 2^{80010356981761} is an apocalyptic number.

It is an amenable number.

80010356981761 is a deficient number, since it is larger than the sum of its proper divisors (1548869039).

80010356981761 is a wasteful number, since it uses less digits than its factorization.

80010356981761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548869038.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 80010356981761 in words is "eighty trillion, ten billion, three hundred fifty-six million, nine hundred eighty-one thousand, seven hundred sixty-one".