11431045 has 8 divisors (see below), whose sum is σ = 13739040. Its totient is φ = 9130320.

The previous prime is 11431037. The next prime is 11431067. The reversal of 11431045 is 54013411.

11431045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11431045 - 2³ = 11431037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2646 + ... + 5464.

It is an arithmetic number, because the mean of its divisors is an integer number (1717380).

Almost surely, 2^11431045 is an apocalyptic number.

It is an amenable number.

11431045 is a deficient number, since it is larger than the sum of its proper divisors (2307995).

11431045 is an equidigital number, since it uses as much as digits as its factorization.

11431045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11431045 is about 3380.9828452685. The cubic root of 11431045 is about 225.2658257348.

Adding to 11431045 its reverse (54013411), we get a palindrome (65444456).

It can be divided in two parts, 114 and 31045, that multiplied together give a triangular number (3539130 = T₂₆₆₀).

The spelling of 11431045 in words is "eleven million, four hundred thirty-one thousand, forty-five".