11853864565092 has 54 divisors (see below), whose sum is σ = 32935565400374. Its totient is φ = 3592080169920.

The previous prime is 11853864565073. The next prime is 11853864565093. The reversal of 11853864565092 is 29056546835811.

11853864565092 is a `hidden beast` number, since 1 + 1 + 8 + 5 + 3 + 8 + 64 + 565 + 0 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8431682757696 + 3422181807396 = 2903736^2 + 1849914^2 .

It is not an unprimeable number, because it can be changed into a prime (11853864565093) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1360632073 + ... + 1360640784.

Almost surely, 2^{11853864565092} is an apocalyptic number.

11853864565092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11853864565092 is an abundant number, since it is smaller than the sum of its proper divisors (21081700835282).

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

11853864565092 is a wasteful number, since it uses less digits than its factorization.

11853864565092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721272889 (or 2721272873 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 63.

The spelling of 11853864565092 in words is "eleven trillion, eight hundred fifty-three billion, eight hundred sixty-four million, five hundred sixty-five thousand, ninety-two".