451111013 has 8 divisors (see below), whose sum is σ = 457520448. Its totient is φ = 444737664.

The previous prime is 451111009. The next prime is 451111021. The reversal of 451111013 is 310111154.

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

It is a cyclic number.

It is not a de Polignac number, because 451111013 - 2² = 451111009 is a prime.

It is a super-2 number, since 2×451111013² = 407002292099772338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451110982 and 451111000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451111033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16670 + ... + 34352.

It is an arithmetic number, because the mean of its divisors is an integer number (57190056).

Almost surely, 2^451111013 is an apocalyptic number.

It is an amenable number.

451111013 is a deficient number, since it is larger than the sum of its proper divisors (6409435).

451111013 is a wasteful number, since it uses less digits than its factorization.

451111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18043.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 451111013 is about 21239.3741197805. The cubic root of 451111013 is about 766.9395657555.

Adding to 451111013 its reverse (310111154), we get a palindrome (761222167).

The spelling of 451111013 in words is "four hundred fifty-one million, one hundred eleven thousand, thirteen".