11178877156949 has 8 divisors (see below), whose sum is σ = 11289647648160. Its totient is φ = 11068108402000.

The previous prime is 11178877156939. The next prime is 11178877156963. The reversal of 11178877156949 is 94965177887111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11178877156949 - 2⁸ = 11178877156693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11178877156919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15328022 + ... + 16040760.

It is an arithmetic number, because the mean of its divisors is an integer number (1411205956020).

Almost surely, 2^{11178877156949} is an apocalyptic number.

It is an amenable number.

11178877156949 is a deficient number, since it is larger than the sum of its proper divisors (110770491211).

11178877156949 is a wasteful number, since it uses less digits than its factorization.

11178877156949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868131.

The product of its digits is 213373440, while the sum is 74.

The spelling of 11178877156949 in words is "eleven trillion, one hundred seventy-eight billion, eight hundred seventy-seven million, one hundred fifty-six thousand, nine hundred forty-nine".