11871374862285 has 48 divisors (see below), whose sum is σ = 21360873066624. Its totient is φ = 6324958395072.

The previous prime is 11871374862253. The next prime is 11871374862331. The reversal of 11871374862285 is 58226847317811.

11871374862285 is a `hidden beast` number, since 1 + 1 + 8 + 71 + 3 + 7 + 486 + 2 + 2 + 85 = 666.

It is not a de Polignac number, because 11871374862285 - 2⁵ = 11871374862253 is a prime.

It is a super-2 number, since 2×11871374862285² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 3775482 + ... + 6164171.

It is an arithmetic number, because the mean of its divisors is an integer number (445018188888).

Almost surely, 2^{11871374862285} is an apocalyptic number.

11871374862285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11871374862285 is a deficient number, since it is larger than the sum of its proper divisors (9489498204339).

11871374862285 is an frugal number, since it uses more digits than its factorization.

11871374862285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9940656 (or 9940644 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 63.

The spelling of 11871374862285 in words is "eleven trillion, eight hundred seventy-one billion, three hundred seventy-four million, eight hundred sixty-two thousand, two hundred eighty-five".