1162225111 has 4 divisors (see below), whose sum is σ = 1230591312. Its totient is φ = 1093858912.

The previous prime is 1162225091. The next prime is 1162225139. The reversal of 1162225111 is 1115222611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1115222611 = 83 ⋅13436417.

It is a cyclic number.

It is not a de Polignac number, because 1162225111 - 2¹³ = 1162216919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162225171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34183075 + ... + 34183108.

It is an arithmetic number, because the mean of its divisors is an integer number (307647828).

Almost surely, 2^1162225111 is an apocalyptic number.

1162225111 is a deficient number, since it is larger than the sum of its proper divisors (68366201).

1162225111 is an equidigital number, since it uses as much as digits as its factorization.

1162225111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68366200.

The product of its digits is 240, while the sum is 22.

The square root of 1162225111 is about 34091.4228362502. The cubic root of 1162225111 is about 1051.3889739040.

Adding to 1162225111 its reverse (1115222611), we get a palindrome (2277447722).

The spelling of 1162225111 in words is "one billion, one hundred sixty-two million, two hundred twenty-five thousand, one hundred eleven".