80428121425 has 24 divisors (see below), whose sum is σ = 101659743360. Its totient is φ = 63099192000.

The previous prime is 80428121401. The next prime is 80428121443. The reversal of 80428121425 is 52412182408.

It is not a de Polignac number, because 80428121425 - 2²³ = 80419732817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3102166 + ... + 3127984.

It is an arithmetic number, because the mean of its divisors is an integer number (4235822640).

Almost surely, 2^80428121425 is an apocalyptic number.

It is an amenable number.

80428121425 is a deficient number, since it is larger than the sum of its proper divisors (21231621935).

80428121425 is a wasteful number, since it uses less digits than its factorization.

80428121425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28233 (or 28228 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The spelling of 80428121425 in words is "eighty billion, four hundred twenty-eight million, one hundred twenty-one thousand, four hundred twenty-five".