11540640124 has 24 divisors (see below), whose sum is σ = 21756385728. Its totient is φ = 5324804160.

The previous prime is 11540640119. The next prime is 11540640191. The reversal of 11540640124 is 42104604511.

It is a junction number, because it is equal to n+sod(n) for n = 11540640092 and 11540640101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144594 + ... + 209734.

It is an arithmetic number, because the mean of its divisors is an integer number (906516072).

Almost surely, 2^11540640124 is an apocalyptic number.

It is an amenable number.

11540640124 is a deficient number, since it is larger than the sum of its proper divisors (10215745604).

11540640124 is a wasteful number, since it uses less digits than its factorization.

11540640124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68565 (or 68563 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 11540640124 in words is "eleven billion, five hundred forty million, six hundred forty thousand, one hundred twenty-four".