80211055725 has 36 divisors (see below), whose sum is σ = 144411379476. Its totient is φ = 42557552640.

The previous prime is 80211055711. The next prime is 80211055763. The reversal of 80211055725 is 52755011208.

80211055725 is a `hidden beast` number, since 80 + 2 + 1 + 1 + 0 + 5 + 572 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 9475270281 + 70735785444 = 97341^2 + 265962^2 .

It is not a de Polignac number, because 80211055725 - 2⁷ = 80211055597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80211055725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 880134 + ... + 966983.

Almost surely, 2^80211055725 is an apocalyptic number.

It is an amenable number.

80211055725 is a deficient number, since it is larger than the sum of its proper divisors (64200323751).

80211055725 is a wasteful number, since it uses less digits than its factorization.

80211055725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847326 (or 1847318 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The spelling of 80211055725 in words is "eighty billion, two hundred eleven million, fifty-five thousand, seven hundred twenty-five".