2011552020233 has 16 divisors (see below), whose sum is σ = 2304181963776. Its totient is φ = 1720240914960.

The previous prime is 2011552020197. The next prime is 2011552020299. The reversal of 2011552020233 is 3320202551102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2011552020233 - 2¹² = 2011552016137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011552010233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9720068 + ... + 9924858.

It is an arithmetic number, because the mean of its divisors is an integer number (144011372736).

Almost surely, 2^{2011552020233} is an apocalyptic number.

It is an amenable number.

2011552020233 is a deficient number, since it is larger than the sum of its proper divisors (292629943543).

2011552020233 is a wasteful number, since it uses less digits than its factorization.

2011552020233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208004.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 2011552020233 its reverse (3320202551102), we get a palindrome (5331754571335).

The spelling of 2011552020233 in words is "two trillion, eleven billion, five hundred fifty-two million, twenty thousand, two hundred thirty-three".