11878342505010 has 24 divisors (see below), whose sum is σ = 30883690513260. Its totient is φ = 3167558001312.

The previous prime is 11878342504997. The next prime is 11878342505011. The reversal of 11878342505010 is 1050524387811.

11878342505010 is a `hidden beast` number, since 1 + 18 + 7 + 83 + 4 + 2 + 50 + 501 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10535522747409 + 1342819757601 = 3245847^2 + 1158801^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11878342505011) 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, 65990791605 + ... + 65990791784.

Almost surely, 2^{11878342505010} is an apocalyptic number.

11878342505010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11878342505010 is an abundant number, since it is smaller than the sum of its proper divisors (19005348008250).

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

11878342505010 is a wasteful number, since it uses less digits than its factorization.

11878342505010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131981583402 (or 131981583399 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 11878342505010 in words is "eleven trillion, eight hundred seventy-eight billion, three hundred forty-two million, five hundred five thousand, ten".