11157005611 has 2 divisors, whose sum is σ = 11157005612. Its totient is φ = 11157005610.

The previous prime is 11157005597. The next prime is 11157005647. The reversal of 11157005611 is 11650075111.

It is a weak prime.

It is an emirp because it is prime and its reverse (11650075111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11157005611 - 2⁵ = 11157005579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11157005611.

It is not a weakly prime, because it can be changed into another prime (11157005311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578502805 + 5578502806.

It is an arithmetic number, because the mean of its divisors is an integer number (5578502806).

Almost surely, 2^11157005611 is an apocalyptic number.

11157005611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11157005611 is an equidigital number, since it uses as much as digits as its factorization.

11157005611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 28.

The spelling of 11157005611 in words is "eleven billion, one hundred fifty-seven million, five thousand, six hundred eleven".