11903739053 has 4 divisors (see below), whose sum is σ = 12037489020. Its totient is φ = 11769989088.

The previous prime is 11903739037. The next prime is 11903739091. The reversal of 11903739053 is 35093730911.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3135664009 + 8768075044 = 55997^2 + 93638^2 .

It is a cyclic number.

It is not a de Polignac number, because 11903739053 - 2⁴ = 11903739037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11903739053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11903759053) 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, 66874850 + ... + 66875027.

It is an arithmetic number, because the mean of its divisors is an integer number (3009372255).

Almost surely, 2^11903739053 is an apocalyptic number.

It is an amenable number.

11903739053 is a deficient number, since it is larger than the sum of its proper divisors (133749967).

11903739053 is an equidigital number, since it uses as much as digits as its factorization.

11903739053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133749966.

The product of its (nonzero) digits is 76545, while the sum is 41.

The spelling of 11903739053 in words is "eleven billion, nine hundred three million, seven hundred thirty-nine thousand, fifty-three".