111355450664 has 8 divisors (see below), whose sum is σ = 208791470010. Its totient is φ = 55677725328.

The previous prime is 111355450663. The next prime is 111355450681. The reversal of 111355450664 is 466054553111.

It can be written as a sum of positive squares in only one way, i.e., 109065062500 + 2290388164 = 330250^2 + 47858^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111355450663) by changing a digit.

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 as a sum of consecutive naturals, namely, 6959715659 + ... + 6959715674.

Almost surely, 2^111355450664 is an apocalyptic number.

It is an amenable number.

111355450664 is a deficient number, since it is larger than the sum of its proper divisors (97436019346).

111355450664 is a wasteful number, since it uses less digits than its factorization.

111355450664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13919431339 (or 13919431335 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 111355450664 in words is "one hundred eleven billion, three hundred fifty-five million, four hundred fifty thousand, six hundred sixty-four".