11131029499 has 2 divisors, whose sum is σ = 11131029500. Its totient is φ = 11131029498.

The previous prime is 11131029461. The next prime is 11131029541. The reversal of 11131029499 is 99492013111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11131029499 - 2¹¹ = 11131027451 is a prime.

It is not a weakly prime, because it can be changed into another prime (11131039499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565514749 + 5565514750.

It is an arithmetic number, because the mean of its divisors is an integer number (5565514750).

Almost surely, 2^11131029499 is an apocalyptic number.

11131029499 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131029499 is an equidigital number, since it uses as much as digits as its factorization.

11131029499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 40.

The spelling of 11131029499 in words is "eleven billion, one hundred thirty-one million, twenty-nine thousand, four hundred ninety-nine".