80021100377517 has 16 divisors (see below), whose sum is σ = 114982500272640. Its totient is φ = 49209293754432.

The previous prime is 80021100377507. The next prime is 80021100377527. The reversal of 80021100377517 is 71577300112008.

It is an interprime number because it is at equal distance from previous prime (80021100377507) and next prime (80021100377527).

It is not a de Polignac number, because 80021100377517 - 2¹⁶ = 80021100311981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80021100377507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717866973 + ... + 717978434.

It is an arithmetic number, because the mean of its divisors is an integer number (7186406267040).

Almost surely, 2^{80021100377517} is an apocalyptic number.

It is an amenable number.

80021100377517 is a deficient number, since it is larger than the sum of its proper divisors (34961399895123).

80021100377517 is a wasteful number, since it uses less digits than its factorization.

80021100377517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435846852.

The product of its (nonzero) digits is 82320, while the sum is 42.

The spelling of 80021100377517 in words is "eighty trillion, twenty-one billion, one hundred million, three hundred seventy-seven thousand, five hundred seventeen".