11140634808 has 64 divisors (see below), whose sum is σ = 31293972000. Its totient is φ = 3671813376.

The previous prime is 11140634797. The next prime is 11140634851. The reversal of 11140634808 is 80843604111.

It is a happy number.

11140634808 is a `hidden beast` number, since 1 + 1 + 14 + 0 + 634 + 8 + 0 + 8 = 666.

It is a super-2 number, since 2×11140634808² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270535 + ... + 308982.

Almost surely, 2^11140634808 is an apocalyptic number.

11140634808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11140634808 is an abundant number, since it is smaller than the sum of its proper divisors (20153337192).

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

11140634808 is a wasteful number, since it uses less digits than its factorization.

11140634808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579621 (or 579611 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 11140634808 in words is "eleven billion, one hundred forty million, six hundred thirty-four thousand, eight hundred eight".