11640235486 has 32 divisors (see below), whose sum is σ = 19368634752. Its totient is φ = 5202156960.

The previous prime is 11640235463. The next prime is 11640235489. The reversal of 11640235486 is 68453204611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11640235489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799060 + ... + 813496.

It is an arithmetic number, because the mean of its divisors is an integer number (605269836).

Almost surely, 2^11640235486 is an apocalyptic number.

11640235486 is a deficient number, since it is larger than the sum of its proper divisors (7728399266).

11640235486 is a wasteful number, since it uses less digits than its factorization.

11640235486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15064.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 11640235486 in words is "eleven billion, six hundred forty million, two hundred thirty-five thousand, four hundred eighty-six".