1149296891099 has 4 divisors (see below), whose sum is σ = 1313482161264. Its totient is φ = 985111620936.

The previous prime is 1149296891077. The next prime is 1149296891107. The reversal of 1149296891099 is 9901986929411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1149296891099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1149296891009) 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, 82092635072 + ... + 82092635085.

It is an arithmetic number, because the mean of its divisors is an integer number (328370540316).

Almost surely, 2^{1149296891099} is an apocalyptic number.

1149296891099 is a deficient number, since it is larger than the sum of its proper divisors (164185270165).

1149296891099 is an equidigital number, since it uses as much as digits as its factorization.

1149296891099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164185270164.

The product of its (nonzero) digits is 22674816, while the sum is 68.

The spelling of 1149296891099 in words is "one trillion, one hundred forty-nine billion, two hundred ninety-six million, eight hundred ninety-one thousand, ninety-nine".