11173738245 has 16 divisors (see below), whose sum is σ = 18129785472. Its totient is φ = 5875392320.

The previous prime is 11173738237. The next prime is 11173738249. The reversal of 11173738245 is 54283737111.

It is not a de Polignac number, because 11173738245 - 2³ = 11173738237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11173738197 and 11173738206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11173738249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5244822 + ... + 5246951.

It is an arithmetic number, because the mean of its divisors is an integer number (1133111592).

Almost surely, 2^11173738245 is an apocalyptic number.

11173738245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11173738245 is a deficient number, since it is larger than the sum of its proper divisors (6956047227).

11173738245 is a wasteful number, since it uses less digits than its factorization.

11173738245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10491852.

The product of its digits is 141120, while the sum is 42.

The spelling of 11173738245 in words is "eleven billion, one hundred seventy-three million, seven hundred thirty-eight thousand, two hundred forty-five".