11142031499 has 2 divisors, whose sum is σ = 11142031500. Its totient is φ = 11142031498.

The previous prime is 11142031487. The next prime is 11142031513. The reversal of 11142031499 is 99413024111.

It is a weak prime.

It is an emirp because it is prime and its reverse (99413024111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11142031499 is a prime.

It is not a weakly prime, because it can be changed into another prime (11142031409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571015749 + 5571015750.

It is an arithmetic number, because the mean of its divisors is an integer number (5571015750).

Almost surely, 2^11142031499 is an apocalyptic number.

11142031499 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142031499 is an equidigital number, since it uses as much as digits as its factorization.

11142031499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 11142031499 in words is "eleven billion, one hundred forty-two million, thirty-one thousand, four hundred ninety-nine".