1040616811 has 4 divisors (see below), whose sum is σ = 1120664272. Its totient is φ = 960569352.

The previous prime is 1040616809. The next prime is 1040616817. The reversal of 1040616811 is 1186160401.

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

It is a cyclic number.

It is not a de Polignac number, because 1040616811 - 2¹ = 1040616809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040616811.

It is not an unprimeable number, because it can be changed into a prime (1040616817) 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, 40023711 + ... + 40023736.

It is an arithmetic number, because the mean of its divisors is an integer number (280166068).

Almost surely, 2^1040616811 is an apocalyptic number.

1040616811 is a deficient number, since it is larger than the sum of its proper divisors (80047461).

1040616811 is an equidigital number, since it uses as much as digits as its factorization.

1040616811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80047460.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1040616811 is about 32258.5928242383. The cubic root of 1040616811 is about 1013.3596616279.

The spelling of 1040616811 in words is "one billion, forty million, six hundred sixteen thousand, eight hundred eleven".