11547770731064 has 64 divisors (see below), whose sum is σ = 21991762932480. Its totient is φ = 5683565664000.

The previous prime is 11547770731001. The next prime is 11547770731093. The reversal of 11547770731064 is 46013707774511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11547770730997 and 11547770731015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037436779 + ... + 1037447909.

It is an arithmetic number, because the mean of its divisors is an integer number (343621295820).

Almost surely, 2^{11547770731064} is an apocalyptic number.

It is an amenable number.

11547770731064 is a deficient number, since it is larger than the sum of its proper divisors (10443992201416).

11547770731064 is a wasteful number, since it uses less digits than its factorization.

11547770731064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13932 (or 13928 counting only the distinct ones).

The product of its (nonzero) digits is 3457440, while the sum is 53.

The spelling of 11547770731064 in words is "eleven trillion, five hundred forty-seven billion, seven hundred seventy million, seven hundred thirty-one thousand, sixty-four".