959142811 has 4 divisors (see below), whose sum is σ = 1046337624. Its totient is φ = 871948000.

The previous prime is 959142809. The next prime is 959142817. The reversal of 959142811 is 118241959.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 959142811 - 2¹ = 959142809 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (959142817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43597390 + ... + 43597411.

It is an arithmetic number, because the mean of its divisors is an integer number (261584406).

Almost surely, 2^959142811 is an apocalyptic number.

959142811 is a deficient number, since it is larger than the sum of its proper divisors (87194813).

959142811 is a wasteful number, since it uses less digits than its factorization.

959142811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87194812.

The product of its digits is 25920, while the sum is 40.

The square root of 959142811 is about 30970.0308524225. The cubic root of 959142811 is about 986.1911298186.

The spelling of 959142811 in words is "nine hundred fifty-nine million, one hundred forty-two thousand, eight hundred eleven".