11091734745 has 192 divisors, whose sum is σ = 23977476096. Its totient is φ = 4258344960.

The previous prime is 11091734741. The next prime is 11091734791. The reversal of 11091734745 is 54743719011.

11091734745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11091734745 - 2² = 11091734741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11091734697 and 11091734706.

It is not an unprimeable number, because it can be changed into a prime (11091734741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12228582 + ... + 12229488.

It is an arithmetic number, because the mean of its divisors is an integer number (124882688).

Almost surely, 2^11091734745 is an apocalyptic number.

11091734745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11091734745 is an abundant number, since it is smaller than the sum of its proper divisors (12885741351).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11091734745 is a wasteful number, since it uses less digits than its factorization.

11091734745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 11091734745 in words is "eleven billion, ninety-one million, seven hundred thirty-four thousand, seven hundred forty-five".