11534500471266 has 20 divisors (see below), whose sum is σ = 25845825130422. Its totient is φ = 3844833490368.

The previous prime is 11534500471237. The next prime is 11534500471271. The reversal of 11534500471266 is 66217400543511.

It is a happy number.

11534500471266 is a `hidden beast` number, since 1 + 1 + 5 + 34 + 500 + 47 + 12 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6367421390625 + 5167079080641 = 2523375^2 + 2273121^2 .

It is a super-2 number, since 2×11534500471266² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35600309935 + ... + 35600310258.

Almost surely, 2^{11534500471266} is an apocalyptic number.

11534500471266 is an abundant number, since it is smaller than the sum of its proper divisors (14311324659156).

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

11534500471266 is an equidigital number, since it uses as much as digits as its factorization.

11534500471266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71200620207 (or 71200620198 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 11534500471266 in words is "eleven trillion, five hundred thirty-four billion, five hundred million, four hundred seventy-one thousand, two hundred sixty-six".