30080955581 has 2 divisors, whose sum is σ = 30080955582. Its totient is φ = 30080955580.

The previous prime is 30080955571. The next prime is 30080955623. The reversal of 30080955581 is 18555908003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16501714681 + 13579240900 = 128459^2 + 116530^2 .

It is a cyclic number.

It is not a de Polignac number, because 30080955581 - 2⁶ = 30080955517 is a prime.

It is a super-2 number, since 2×30080955581² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30080955571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15040477790 + 15040477791.

It is an arithmetic number, because the mean of its divisors is an integer number (15040477791).

Almost surely, 2^30080955581 is an apocalyptic number.

It is an amenable number.

30080955581 is a deficient number, since it is larger than the sum of its proper divisors (1).

30080955581 is an equidigital number, since it uses as much as digits as its factorization.

30080955581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 44.

The spelling of 30080955581 in words is "thirty billion, eighty million, nine hundred fifty-five thousand, five hundred eighty-one".