11514478068 has 36 divisors (see below), whose sum is σ = 29363627748. Its totient is φ = 3804192000.

The previous prime is 11514478067. The next prime is 11514478099. The reversal of 11514478068 is 86087441511.

11514478068 is a `hidden beast` number, since 1 + 1 + 514 + 4 + 78 + 0 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 290770704 + 11223707364 = 17052^2 + 105942^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11514478067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1411183 + ... + 1419318.

Almost surely, 2^11514478068 is an apocalyptic number.

11514478068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11514478068 is an abundant number, since it is smaller than the sum of its proper divisors (17849149680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11514478068 is a wasteful number, since it uses less digits than its factorization.

11514478068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830624 (or 2830619 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 11514478068 in words is "eleven billion, five hundred fourteen million, four hundred seventy-eight thousand, sixty-eight".