33111052145 has 16 divisors (see below), whose sum is σ = 42066267840. Its totient is φ = 24949623744.

The previous prime is 33111052129. The next prime is 33111052159. The reversal of 33111052145 is 54125011133.

It is a cyclic number.

It is not a de Polignac number, because 33111052145 - 2⁴ = 33111052129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990899 + ... + 1023768.

It is an arithmetic number, because the mean of its divisors is an integer number (2629141740).

Almost surely, 2^33111052145 is an apocalyptic number.

It is an amenable number.

33111052145 is a deficient number, since it is larger than the sum of its proper divisors (8955215695).

33111052145 is a wasteful number, since it uses less digits than its factorization.

33111052145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014864.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 33111052145 its reverse (54125011133), we get a palindrome (87236063278).

The spelling of 33111052145 in words is "thirty-three billion, one hundred eleven million, fifty-two thousand, one hundred forty-five".