11871004712140 has 24 divisors (see below), whose sum is σ = 28490411309472. Its totient is φ = 4070058758400.

The previous prime is 11871004712057. The next prime is 11871004712159. The reversal of 11871004712140 is 4121740017811.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11871004712140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42396445261 + ... + 42396445540.

It is an arithmetic number, because the mean of its divisors is an integer number (1187100471228).

Almost surely, 2^{11871004712140} is an apocalyptic number.

11871004712140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11871004712140 is an abundant number, since it is smaller than the sum of its proper divisors (16619406597332).

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

11871004712140 is a wasteful number, since it uses less digits than its factorization.

11871004712140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84792890817 (or 84792890815 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 37.

Adding to 11871004712140 its reverse (4121740017811), we get a palindrome (15992744729951).

The spelling of 11871004712140 in words is "eleven trillion, eight hundred seventy-one billion, four million, seven hundred twelve thousand, one hundred forty".