11146958899 has 4 divisors (see below), whose sum is σ = 11148305560. Its totient is φ = 11145612240.

The previous prime is 11146958873. The next prime is 11146958959. The reversal of 11146958899 is 99885964111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99885964111 = 13103 ⋅7623137.

It is a cyclic number.

It is not a de Polignac number, because 11146958899 - 2⁹ = 11146958387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11146958869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660837 + ... + 677494.

It is an arithmetic number, because the mean of its divisors is an integer number (2787076390).

Almost surely, 2^11146958899 is an apocalyptic number.

11146958899 is a deficient number, since it is larger than the sum of its proper divisors (1346661).

11146958899 is an equidigital number, since it uses as much as digits as its factorization.

11146958899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346660.

The product of its digits is 5598720, while the sum is 61.

The spelling of 11146958899 in words is "eleven billion, one hundred forty-six million, nine hundred fifty-eight thousand, eight hundred ninety-nine".