11742784724 has 24 divisors (see below), whose sum is σ = 22424551968. Its totient is φ = 5336079840.

The previous prime is 11742784723. The next prime is 11742784741. The reversal of 11742784724 is 42748724711.

It is a super-3 number, since 3×11742784724³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11742784723) 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, 122039 + ... + 195905.

It is an arithmetic number, because the mean of its divisors is an integer number (934356332).

Almost surely, 2^11742784724 is an apocalyptic number.

It is an amenable number.

11742784724 is a deficient number, since it is larger than the sum of its proper divisors (10681767244).

11742784724 is a wasteful number, since it uses less digits than its factorization.

11742784724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77495 (or 77493 counting only the distinct ones).

The product of its digits is 702464, while the sum is 47.

The spelling of 11742784724 in words is "eleven billion, seven hundred forty-two million, seven hundred eighty-four thousand, seven hundred twenty-four".