11111040007 has 2 divisors, whose sum is σ = 11111040008. Its totient is φ = 11111040006.

The previous prime is 11111039993. The next prime is 11111040037. The reversal of 11111040007 is 70004011111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111040007 - 2¹⁹ = 11110515719 is a prime.

It is a super-5 number, since 5×11111040007⁵ (a number of 51 digits) contains 55555 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111040037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555520003 + 5555520004.

It is an arithmetic number, because the mean of its divisors is an integer number (5555520004).

Almost surely, 2^11111040007 is an apocalyptic number.

11111040007 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111040007 is an equidigital number, since it uses as much as digits as its factorization.

11111040007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 11111040007 its reverse (70004011111), we get a palindrome (81115051118).

The spelling of 11111040007 in words is "eleven billion, one hundred eleven million, forty thousand, seven".