980612111 has 2 divisors, whose sum is σ = 980612112. Its totient is φ = 980612110.

The previous prime is 980612041. The next prime is 980612117. The reversal of 980612111 is 111216089.

It is a strong prime.

It is an emirp because it is prime and its reverse (111216089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 980612111 - 2¹⁴ = 980595727 is a prime.

It is a super-2 number, since 2×980612111² = 1923200224479752642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980612117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490306055 + 490306056.

It is an arithmetic number, because the mean of its divisors is an integer number (490306056).

Almost surely, 2^980612111 is an apocalyptic number.

980612111 is a deficient number, since it is larger than the sum of its proper divisors (1).

980612111 is an equidigital number, since it uses as much as digits as its factorization.

980612111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 980612111 is about 31314.7267431795. The cubic root of 980612111 is about 993.4951489935.

The spelling of 980612111 in words is "nine hundred eighty million, six hundred twelve thousand, one hundred eleven".