2211252045534 has 72 divisors (see below), whose sum is σ = 5574381052968. Its totient is φ = 631658956320.

The previous prime is 2211252045493. The next prime is 2211252045539. The reversal of 2211252045534 is 4355402521122.

2211252045534 is a `hidden beast` number, since 2 + 2 + 112 + 5 + 2 + 0 + 4 + 5 + 534 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211252045539) 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 in 35 ways as a sum of consecutive naturals, for example, 4169544 + ... + 4669860.

It is an arithmetic number, because the mean of its divisors is an integer number (77421959069).

Almost surely, 2^{2211252045534} is an apocalyptic number.

2211252045534 is an abundant number, since it is smaller than the sum of its proper divisors (3363129007434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211252045534 is a wasteful number, since it uses less digits than its factorization.

2211252045534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505350 (or 505340 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 2211252045534 its reverse (4355402521122), we get a palindrome (6566654566656).

The spelling of 2211252045534 in words is "two trillion, two hundred eleven billion, two hundred fifty-two million, forty-five thousand, five hundred thirty-four".