80261358019 has 8 divisors (see below), whose sum is σ = 85150883840. Its totient is φ = 75438356616.

The previous prime is 80261357983. The next prime is 80261358029. The reversal of 80261358019 is 91085316208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80261358019 - 2⁹ = 80261357507 is a prime.

It is a super-2 number, since 2×80261358019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80261358029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16628619 + ... + 16633444.

It is an arithmetic number, because the mean of its divisors is an integer number (10643860480).

Almost surely, 2^80261358019 is an apocalyptic number.

80261358019 is a deficient number, since it is larger than the sum of its proper divisors (4889525821).

80261358019 is a wasteful number, since it uses less digits than its factorization.

80261358019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33262209.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 80261358019 in words is "eighty billion, two hundred sixty-one million, three hundred fifty-eight thousand, nineteen".