80959307112121 has 9 divisors (see below), whose sum is σ = 81183817089999. Its totient is φ = 80735416372584.

The previous prime is 80959307112113. The next prime is 80959307112169. The reversal of 80959307112121 is 12121170395908.

The square root of 80959307112121 is 8997739.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17488831261225 + 63470475850896 = 4181965^2 + 7966836^2 .

It is not a de Polignac number, because 80959307112121 - 2³ = 80959307112113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80959307112521) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3302157955 + ... + 3302182471.

It is an arithmetic number, because the mean of its divisors is an integer number (9020424121111).

Almost surely, 2^{80959307112121} is an apocalyptic number.

80959307112121 is the 8997739-th square number.

80959307112121 is the 4498870-th centered octagonal number.

It is an amenable number.

80959307112121 is a deficient number, since it is larger than the sum of its proper divisors (224509977878).

80959307112121 is an frugal number, since it uses more digits than its factorization.

80959307112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49768 (or 24884 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 49.

The spelling of 80959307112121 in words is "eighty trillion, nine hundred fifty-nine billion, three hundred seven million, one hundred twelve thousand, one hundred twenty-one".