111065145146 has 4 divisors (see below), whose sum is σ = 166597717722. Its totient is φ = 55532572572.

The previous prime is 111065145137. The next prime is 111065145151. The reversal of 111065145146 is 641541560111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110283103921 + 782041225 = 332089^2 + 27965^2 .

It is a super-2 number, since 2×111065145146² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27766286285 + ... + 27766286288.

Almost surely, 2^111065145146 is an apocalyptic number.

111065145146 is a deficient number, since it is larger than the sum of its proper divisors (55532572576).

111065145146 is an equidigital number, since it uses as much as digits as its factorization.

111065145146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55532572575.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 111065145146 in words is "one hundred eleven billion, sixty-five million, one hundred forty-five thousand, one hundred forty-six".