80534028804451 has 4 divisors (see below), whose sum is σ = 84035508317712. Its totient is φ = 77032549291192.

The previous prime is 80534028804433. The next prime is 80534028804469. The reversal of 80534028804451 is 15440882043508.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (80534028804433) and next prime (80534028804469).

It is a cyclic number.

It is not a de Polignac number, because 80534028804451 - 2⁴³ = 71737935782243 is a prime.

It is a super-2 number, since 2×80534028804451² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80534028808451) 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, 1750739756596 + ... + 1750739756641.

It is an arithmetic number, because the mean of its divisors is an integer number (21008877079428).

Almost surely, 2^{80534028804451} is an apocalyptic number.

80534028804451 is a deficient number, since it is larger than the sum of its proper divisors (3501479513261).

80534028804451 is a wasteful number, since it uses less digits than its factorization.

80534028804451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501479513260.

The product of its (nonzero) digits is 4915200, while the sum is 52.

The spelling of 80534028804451 in words is "eighty trillion, five hundred thirty-four billion, twenty-eight million, eight hundred four thousand, four hundred fifty-one".