11855866230812 has 48 divisors (see below), whose sum is σ = 21575743096320. Its totient is φ = 5696219870592.

The previous prime is 11855866230779. The next prime is 11855866230851. The reversal of 11855866230812 is 21803266855811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8050328 + ... + 9408480.

It is an arithmetic number, because the mean of its divisors is an integer number (449494647840).

Almost surely, 2^{11855866230812} is an apocalyptic number.

It is an amenable number.

11855866230812 is a deficient number, since it is larger than the sum of its proper divisors (9719876865508).

11855866230812 is a wasteful number, since it uses less digits than its factorization.

11855866230812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359050 (or 1359048 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 56.

The spelling of 11855866230812 in words is "eleven trillion, eight hundred fifty-five billion, eight hundred sixty-six million, two hundred thirty thousand, eight hundred twelve".