11121613745 has 32 divisors (see below), whose sum is σ = 14796867456. Its totient is φ = 7956748800.

The previous prime is 11121613739. The next prime is 11121613751. The reversal of 11121613745 is 54731612111.

It is an interprime number because it is at equal distance from previous prime (11121613739) and next prime (11121613751).

It is not a de Polignac number, because 11121613745 - 2⁶ = 11121613681 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3451235 + ... + 3454455.

It is an arithmetic number, because the mean of its divisors is an integer number (462402108).

Almost surely, 2^11121613745 is an apocalyptic number.

It is an amenable number.

11121613745 is a deficient number, since it is larger than the sum of its proper divisors (3675253711).

11121613745 is a wasteful number, since it uses less digits than its factorization.

11121613745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241.

The product of its digits is 5040, while the sum is 32.

The spelling of 11121613745 in words is "eleven billion, one hundred twenty-one million, six hundred thirteen thousand, seven hundred forty-five".