111109953567464 has 8 divisors (see below), whose sum is σ = 208331162939010. Its totient is φ = 55554976783728.

The previous prime is 111109953567463. The next prime is 111109953567479. The reversal of 111109953567464 is 464765359901111.

It can be written as a sum of positive squares in only one way, i.e., 93441028920100 + 17668924647364 = 9666490^2 + 4203442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 111109953567397 and 111109953567406.

It is not an unprimeable number, because it can be changed into a prime (111109953567463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6944372097959 + ... + 6944372097974.

Almost surely, 2^{111109953567464} is an apocalyptic number.

It is an amenable number.

111109953567464 is a deficient number, since it is larger than the sum of its proper divisors (97221209371546).

111109953567464 is a wasteful number, since it uses less digits than its factorization.

111109953567464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13888744195939 (or 13888744195935 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 111109953567464 in words is "one hundred eleven trillion, one hundred nine billion, nine hundred fifty-three million, five hundred sixty-seven thousand, four hundred sixty-four".