111132461 has 4 divisors (see below), whose sum is σ = 121235424. Its totient is φ = 101029500.

The previous prime is 111132443. The next prime is 111132473. The reversal of 111132461 is 164231111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 164231111 = 11 ⋅14930101.

It is not a de Polignac number, because 111132461 - 2⁶ = 111132397 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 (111132401) 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 3 ways as a sum of consecutive naturals, for example, 5051465 + ... + 5051486.

It is an arithmetic number, because the mean of its divisors is an integer number (30308856).

Almost surely, 2^111132461 is an apocalyptic number.

111132461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111132461 is a deficient number, since it is larger than the sum of its proper divisors (10102963).

111132461 is a wasteful number, since it uses less digits than its factorization.

111132461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102962.

The product of its digits is 144, while the sum is 20.

The square root of 111132461 is about 10541.9381994015. The cubic root of 111132461 is about 480.7806466652.

Adding to 111132461 its reverse (164231111), we get a palindrome (275363572).

The spelling of 111132461 in words is "one hundred eleven million, one hundred thirty-two thousand, four hundred sixty-one".