11647058940 has 72 divisors (see below), whose sum is σ = 38541183408. Its totient is φ = 2823528960.

The previous prime is 11647058939. The next prime is 11647058947. The reversal of 11647058940 is 4985074611.

11647058940 is a `hidden beast` number, since 1 + 1 + 64 + 7 + 0 + 589 + 4 + 0 = 666.

11647058940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11647058947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2939197 + ... + 2943156.

It is an arithmetic number, because the mean of its divisors is an integer number (535294214).

Almost surely, 2^11647058940 is an apocalyptic number.

11647058940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11647058940 is an abundant number, since it is smaller than the sum of its proper divisors (26894124468).

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

11647058940 is a wasteful number, since it uses less digits than its factorization.

11647058940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882379 (or 5882374 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 11647058940 in words is "eleven billion, six hundred forty-seven million, fifty-eight thousand, nine hundred forty".