11747175140 has 48 divisors (see below), whose sum is σ = 25364066112. Its totient is φ = 4566773376.

The previous prime is 11747175137. The next prime is 11747175149. The reversal of 11747175140 is 4157174711.

It is a happy number.

It is a super-2 number, since 2×11747175140² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11747175094 and 11747175103.

It is not an unprimeable number, because it can be changed into a prime (11747175149) 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 15 ways as a sum of consecutive naturals, for example, 692399 + ... + 709161.

It is an arithmetic number, because the mean of its divisors is an integer number (528418044).

Almost surely, 2^11747175140 is an apocalyptic number.

11747175140 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 11747175140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12682033056).

11747175140 is an abundant number, since it is smaller than the sum of its proper divisors (13616890972).

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

11747175140 is a wasteful number, since it uses less digits than its factorization.

11747175140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17756 (or 17754 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 38.

The spelling of 11747175140 in words is "eleven billion, seven hundred forty-seven million, one hundred seventy-five thousand, one hundred forty".