2452561111 has 32 divisors (see below), whose sum is σ = 3305465856. Its totient is φ = 1757376000.

The previous prime is 2452561103. The next prime is 2452561121. The reversal of 2452561111 is 1111652542.

It is a cyclic number.

It is not a de Polignac number, because 2452561111 - 2³ = 2452561103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2452561111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2452561121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266751 + ... + 275791.

It is an arithmetic number, because the mean of its divisors is an integer number (103295808).

Almost surely, 2^2452561111 is an apocalyptic number.

2452561111 is a deficient number, since it is larger than the sum of its proper divisors (852904745).

2452561111 is a wasteful number, since it uses less digits than its factorization.

2452561111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9343.

The product of its digits is 2400, while the sum is 28.

The square root of 2452561111 is about 49523.3390534201. The cubic root of 2452561111 is about 1348.5693322995.

The spelling of 2452561111 in words is "two billion, four hundred fifty-two million, five hundred sixty-one thousand, one hundred eleven".