11547104140 has 144 divisors (see below), whose sum is σ = 30331415520. Its totient is φ = 3647754240.

The previous prime is 11547104113. The next prime is 11547104197. The reversal of 11547104140 is 4140174511.

It is a super-2 number, since 2×11547104140² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11547104099 and 11547104108.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 622926 + ... + 641194.

It is an arithmetic number, because the mean of its divisors is an integer number (210634830).

Almost surely, 2^11547104140 is an apocalyptic number.

11547104140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11547104140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15165707760).

11547104140 is an abundant number, since it is smaller than the sum of its proper divisors (18784311380).

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

11547104140 is a wasteful number, since it uses less digits than its factorization.

11547104140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18332 (or 18317 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 11547104140 its reverse (4140174511), we get a palindrome (15687278651).

The spelling of 11547104140 in words is "eleven billion, five hundred forty-seven million, one hundred four thousand, one hundred forty".