11140645052 has 24 divisors (see below), whose sum is σ = 19661518800. Its totient is φ = 5523140480.

The previous prime is 11140645051. The next prime is 11140645081. The reversal of 11140645052 is 25054604111.

It is a super-2 number, since 2×11140645052² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140645051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660824 + ... + 677472.

It is an arithmetic number, because the mean of its divisors is an integer number (819229950).

Almost surely, 2^11140645052 is an apocalyptic number.

It is an amenable number.

11140645052 is a deficient number, since it is larger than the sum of its proper divisors (8520873748).

11140645052 is a wasteful number, since it uses less digits than its factorization.

11140645052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18061 (or 18059 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 11140645052 in words is "eleven billion, one hundred forty million, six hundred forty-five thousand, fifty-two".