33505204011055 has 12 divisors (see below), whose sum is σ = 46770529681080. Its totient is φ = 22974997035984.

The previous prime is 33505204011049. The next prime is 33505204011107. The reversal of 33505204011055 is 55011040250533.

It is a de Polignac number, because none of the positive numbers 2^k-33505204011055 is a prime.

It is a super-2 number, since 2×33505204011055² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33505204011055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68377967125 + ... + 68377967614.

It is an arithmetic number, because the mean of its divisors is an integer number (3897544140090).

Almost surely, 2^{33505204011055} is an apocalyptic number.

33505204011055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

33505204011055 is a deficient number, since it is larger than the sum of its proper divisors (13265325670025).

33505204011055 is a wasteful number, since it uses less digits than its factorization.

33505204011055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136755934758 (or 136755934751 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 33505204011055 its reverse (55011040250533), we get a palindrome (88516244261588).

The spelling of 33505204011055 in words is "thirty-three trillion, five hundred five billion, two hundred four million, eleven thousand, fifty-five".