11409575311 has 2 divisors, whose sum is σ = 11409575312. Its totient is φ = 11409575310.

The previous prime is 11409575273. The next prime is 11409575341. The reversal of 11409575311 is 11357590411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11409575311 - 2²³ = 11401186703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11409575341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5704787655 + 5704787656.

It is an arithmetic number, because the mean of its divisors is an integer number (5704787656).

Almost surely, 2^11409575311 is an apocalyptic number.

11409575311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11409575311 is an equidigital number, since it uses as much as digits as its factorization.

11409575311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 37.

The spelling of 11409575311 in words is "eleven billion, four hundred nine million, five hundred seventy-five thousand, three hundred eleven".