11078948949871 has 32 divisors (see below), whose sum is σ = 12973320529920. Its totient is φ = 9354716632800.

The previous prime is 11078948949853. The next prime is 11078948949877. The reversal of 11078948949871 is 17894984987011.

It is a de Polignac number, because none of the positive numbers 2^k-11078948949871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11078948949877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1079790 + ... + 4829476.

It is an arithmetic number, because the mean of its divisors is an integer number (405416266560).

Almost surely, 2^{11078948949871} is an apocalyptic number.

11078948949871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11078948949871 is a deficient number, since it is larger than the sum of its proper divisors (1894371580049).

11078948949871 is a wasteful number, since it uses less digits than its factorization.

11078948949871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749995.

The product of its (nonzero) digits is 292626432, while the sum is 76.

The spelling of 11078948949871 in words is "eleven trillion, seventy-eight billion, nine hundred forty-eight million, nine hundred forty-nine thousand, eight hundred seventy-one".