80428261725526 has 32 divisors (see below), whose sum is σ = 141943075874208. Its totient is φ = 33696277155840.

The previous prime is 80428261725517. The next prime is 80428261725563. The reversal of 80428261725526 is 62552716282408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207500395 + ... + 207887638.

It is an arithmetic number, because the mean of its divisors is an integer number (4435721121069).

Almost surely, 2^{80428261725526} is an apocalyptic number.

80428261725526 is a deficient number, since it is larger than the sum of its proper divisors (61514814148682).

80428261725526 is a wasteful number, since it uses less digits than its factorization.

80428261725526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415388736.

The product of its (nonzero) digits is 25804800, while the sum is 58.

The spelling of 80428261725526 in words is "eighty trillion, four hundred twenty-eight billion, two hundred sixty-one million, seven hundred twenty-five thousand, five hundred twenty-six".