880601989121 has 2 divisors, whose sum is σ = 880601989122. Its totient is φ = 880601989120.

The previous prime is 880601989097. The next prime is 880601989129. The reversal of 880601989121 is 121989106088.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495525892096 + 385076097025 = 703936^2 + 620545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-880601989121 is a prime.

It is not a weakly prime, because it can be changed into another prime (880601989129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440300994560 + 440300994561.

It is an arithmetic number, because the mean of its divisors is an integer number (440300994561).

Almost surely, 2^880601989121 is an apocalyptic number.

It is an amenable number.

880601989121 is a deficient number, since it is larger than the sum of its proper divisors (1).

880601989121 is an equidigital number, since it uses as much as digits as its factorization.

880601989121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 53.

The spelling of 880601989121 in words is "eight hundred eighty billion, six hundred one million, nine hundred eighty-nine thousand, one hundred twenty-one".