11708536861 has 4 divisors (see below), whose sum is σ = 13381184992. Its totient is φ = 10035888732.

The previous prime is 11708536859. The next prime is 11708536897. The reversal of 11708536861 is 16863580711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11708536861 - 2¹ = 11708536859 is a prime.

It is a super-3 number, since 3×11708536861³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11708536831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836324055 + ... + 836324068.

It is an arithmetic number, because the mean of its divisors is an integer number (3345296248).

Almost surely, 2^11708536861 is an apocalyptic number.

It is an amenable number.

11708536861 is a deficient number, since it is larger than the sum of its proper divisors (1672648131).

11708536861 is an equidigital number, since it uses as much as digits as its factorization.

11708536861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672648130.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 11708536861 in words is "eleven billion, seven hundred eight million, five hundred thirty-six thousand, eight hundred sixty-one".