11530514343572 has 12 divisors (see below), whose sum is σ = 23061028687200. Its totient is φ = 4941649004376.

The previous prime is 11530514343541. The next prime is 11530514343577. The reversal of 11530514343572 is 27534341503511.

It is a happy number.

11530514343572 is an admirable number.

It is a super-2 number, since 2×11530514343572² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530514343577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205902041822 + ... + 205902041877.

It is an arithmetic number, because the mean of its divisors is an integer number (1921752390600).

Almost surely, 2^{11530514343572} is an apocalyptic number.

It is an amenable number.

11530514343572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11530514343572 is a wasteful number, since it uses less digits than its factorization.

11530514343572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411804083710 (or 411804083708 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 11530514343572 in words is "eleven trillion, five hundred thirty billion, five hundred fourteen million, three hundred forty-three thousand, five hundred seventy-two".