11001431099 has 2 divisors, whose sum is σ = 11001431100. Its totient is φ = 11001431098.

The previous prime is 11001431057. The next prime is 11001431107. The reversal of 11001431099 is 99013410011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11001431099 - 2²⁸ = 10732995643 is a prime.

It is not a weakly prime, because it can be changed into another prime (11001437099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500715549 + 5500715550.

It is an arithmetic number, because the mean of its divisors is an integer number (5500715550).

Almost surely, 2^11001431099 is an apocalyptic number.

11001431099 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001431099 is an equidigital number, since it uses as much as digits as its factorization.

11001431099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 11001431099 in words is "eleven billion, one million, four hundred thirty-one thousand, ninety-nine".