11040037081 has 8 divisors (see below), whose sum is σ = 11059526664. Its totient is φ = 11020563840.

The previous prime is 11040037079. The next prime is 11040037087. The reversal of 11040037081 is 18073004011.

It can be written as a sum of positive squares in 4 ways, for example, as 1339560000 + 9700477081 = 36600^2 + 98491^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11040037081 - 2¹ = 11040037079 is a prime.

It is a super-2 number, since 2×11040037081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11040037087) 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, 2816535 + ... + 2820451.

It is an arithmetic number, because the mean of its divisors is an integer number (1382440833).

Almost surely, 2^11040037081 is an apocalyptic number.

It is an amenable number.

11040037081 is a deficient number, since it is larger than the sum of its proper divisors (19489583).

11040037081 is an equidigital number, since it uses as much as digits as its factorization.

11040037081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8171.

The product of its (nonzero) digits is 672, while the sum is 25.

The spelling of 11040037081 in words is "eleven billion, forty million, thirty-seven thousand, eighty-one".