981095959811 has 8 divisors (see below), whose sum is σ = 1071905702448. Its totient is φ = 890556084000.

The previous prime is 981095959751. The next prime is 981095959819. The reversal of 981095959811 is 118959590189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 981095959811 - 2⁶ = 981095959747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981095959819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67459100 + ... + 67473641.

It is an arithmetic number, because the mean of its divisors is an integer number (133988212806).

Almost surely, 2^981095959811 is an apocalyptic number.

981095959811 is a deficient number, since it is larger than the sum of its proper divisors (90809742637).

981095959811 is a wasteful number, since it uses less digits than its factorization.

981095959811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134933413.

The product of its (nonzero) digits is 10497600, while the sum is 65.

The spelling of 981095959811 in words is "nine hundred eighty-one billion, ninety-five million, nine hundred fifty-nine thousand, eight hundred eleven".