11506797305 has 16 divisors (see below), whose sum is σ = 14412000384. Its totient is φ = 8803069440.

The previous prime is 11506797287. The next prime is 11506797319. The reversal of 11506797305 is 50379760511.

It is not a de Polignac number, because 11506797305 - 2¹² = 11506793209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597842 + ... + 616788.

It is an arithmetic number, because the mean of its divisors is an integer number (900750024).

Almost surely, 2^11506797305 is an apocalyptic number.

It is an amenable number.

11506797305 is a deficient number, since it is larger than the sum of its proper divisors (2905203079).

11506797305 is a wasteful number, since it uses less digits than its factorization.

11506797305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24256.

The product of its (nonzero) digits is 198450, while the sum is 44.

The spelling of 11506797305 in words is "eleven billion, five hundred six million, seven hundred ninety-seven thousand, three hundred five".