11787196749 has 4 divisors (see below), whose sum is σ = 15716262336. Its totient is φ = 7858131164.

The previous prime is 11787196739. The next prime is 11787196807. The reversal of 11787196749 is 94769178711.

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 11787196749 - 2⁵ = 11787196717 is a prime.

It is a super-3 number, since 3×11787196749³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11787196692 and 11787196701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11787196739) 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, 1964532789 + ... + 1964532794.

It is an arithmetic number, because the mean of its divisors is an integer number (3929065584).

Almost surely, 2^11787196749 is an apocalyptic number.

It is an amenable number.

11787196749 is a deficient number, since it is larger than the sum of its proper divisors (3929065587).

11787196749 is an equidigital number, since it uses as much as digits as its factorization.

11787196749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929065586.

The product of its digits is 5334336, while the sum is 60.

The spelling of 11787196749 in words is "eleven billion, seven hundred eighty-seven million, one hundred ninety-six thousand, seven hundred forty-nine".