98181011 has 2 divisors, whose sum is σ = 98181012. Its totient is φ = 98181010.

The previous prime is 98180993. The next prime is 98181023. The reversal of 98181011 is 11018189.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98181011 - 2¹⁸ = 97918867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98181071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49090505 + 49090506.

It is an arithmetic number, because the mean of its divisors is an integer number (49090506).

Almost surely, 2^98181011 is an apocalyptic number.

98181011 is a deficient number, since it is larger than the sum of its proper divisors (1).

98181011 is an equidigital number, since it uses as much as digits as its factorization.

98181011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The square root of 98181011 is about 9908.6331549816. The cubic root of 98181011 is about 461.3273116541.

The spelling of 98181011 in words is "ninety-eight million, one hundred eighty-one thousand, eleven".