89018949811 has 16 divisors (see below), whose sum is σ = 100661760000. Its totient is φ = 77979031200.

The previous prime is 89018949809. The next prime is 89018949839. The reversal of 89018949811 is 11894981098.

It is a cyclic number.

It is not a de Polignac number, because 89018949811 - 2¹ = 89018949809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89018949871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120435 + ... + 438796.

It is an arithmetic number, because the mean of its divisors is an integer number (6291360000).

Almost surely, 2^89018949811 is an apocalyptic number.

89018949811 is a deficient number, since it is larger than the sum of its proper divisors (11642810189).

89018949811 is a wasteful number, since it uses less digits than its factorization.

89018949811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559770.

The product of its (nonzero) digits is 1492992, while the sum is 58.

The spelling of 89018949811 in words is "eighty-nine billion, eighteen million, nine hundred forty-nine thousand, eight hundred eleven".