11797285911 has 16 divisors (see below), whose sum is σ = 15916871520. Its totient is φ = 7771587200.

The previous prime is 11797285891. The next prime is 11797285919. The reversal of 11797285911 is 11958279711.

It is a cyclic number.

It is not a de Polignac number, because 11797285911 - 2¹⁷ = 11797154839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11797285919) 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, 115981 + ... + 192473.

It is an arithmetic number, because the mean of its divisors is an integer number (994804470).

Almost surely, 2^11797285911 is an apocalyptic number.

11797285911 is a deficient number, since it is larger than the sum of its proper divisors (4119585609).

11797285911 is a wasteful number, since it uses less digits than its factorization.

11797285911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77106.

The product of its digits is 317520, while the sum is 51.

The spelling of 11797285911 in words is "eleven billion, seven hundred ninety-seven million, two hundred eighty-five thousand, nine hundred eleven".