11153873939 has 4 divisors (see below), whose sum is σ = 12011864256. Its totient is φ = 10295883624.

The previous prime is 11153873923. The next prime is 11153873999. The reversal of 11153873939 is 93937835111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93937835111 = 127 ⋅739667993.

It is not a de Polignac number, because 11153873939 - 2⁴ = 11153873923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11153873999) 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, 428995139 + ... + 428995164.

It is an arithmetic number, because the mean of its divisors is an integer number (3002966064).

Almost surely, 2^11153873939 is an apocalyptic number.

11153873939 is a deficient number, since it is larger than the sum of its proper divisors (857990317).

11153873939 is an equidigital number, since it uses as much as digits as its factorization.

11153873939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857990316.

The product of its digits is 612360, while the sum is 50.

The spelling of 11153873939 in words is "eleven billion, one hundred fifty-three million, eight hundred seventy-three thousand, nine hundred thirty-nine".