11712884149 has 4 divisors (see below), whose sum is σ = 11822350464. Its totient is φ = 11603417836.

The previous prime is 11712884123. The next prime is 11712884201. The reversal of 11712884149 is 94148821711.

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 11712884149 - 2¹³ = 11712875957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11712884099 and 11712884108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11712884749) 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, 54732997 + ... + 54733210.

It is an arithmetic number, because the mean of its divisors is an integer number (2955587616).

Almost surely, 2^11712884149 is an apocalyptic number.

It is an amenable number.

11712884149 is a deficient number, since it is larger than the sum of its proper divisors (109466315).

11712884149 is a wasteful number, since it uses less digits than its factorization.

11712884149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109466314.

The product of its digits is 129024, while the sum is 46.

The spelling of 11712884149 in words is "eleven billion, seven hundred twelve million, eight hundred eighty-four thousand, one hundred forty-nine".