111374461 has 4 divisors (see below), whose sum is σ = 121499424. Its totient is φ = 101249500.

The previous prime is 111374449. The next prime is 111374467. The reversal of 111374461 is 164473111.

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.

It is not a de Polignac number, because 111374461 - 2¹⁷ = 111243389 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 (111374467) 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, 5062465 + ... + 5062486.

It is an arithmetic number, because the mean of its divisors is an integer number (30374856).

Almost surely, 2^111374461 is an apocalyptic number.

111374461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111374461 is a deficient number, since it is larger than the sum of its proper divisors (10124963).

111374461 is a wasteful number, since it uses less digits than its factorization.

111374461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124962.

The product of its digits is 2016, while the sum is 28.

The square root of 111374461 is about 10553.4099228638. The cubic root of 111374461 is about 481.1293733540.

The spelling of 111374461 in words is "one hundred eleven million, three hundred seventy-four thousand, four hundred sixty-one".