1451113211 has 4 divisors (see below), whose sum is σ = 1454261424. Its totient is φ = 1447965000.

The previous prime is 1451113207. The next prime is 1451113219. The reversal of 1451113211 is 1123111541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123111541 = 883 ⋅1271927.

It is a cyclic number.

It is not a de Polignac number, because 1451113211 - 2² = 1451113207 is a prime.

It is a super-2 number, since 2×1451113211² = 4211459102277461042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1451113219) 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, 1573415 + ... + 1574336.

It is an arithmetic number, because the mean of its divisors is an integer number (363565356).

Almost surely, 2^1451113211 is an apocalyptic number.

1451113211 is a deficient number, since it is larger than the sum of its proper divisors (3148213).

1451113211 is an equidigital number, since it uses as much as digits as its factorization.

1451113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148212.

The product of its digits is 120, while the sum is 20.

The square root of 1451113211 is about 38093.4799014215. The cubic root of 1451113211 is about 1132.1407745594.

Adding to 1451113211 its reverse (1123111541), we get a palindrome (2574224752).

The spelling of 1451113211 in words is "one billion, four hundred fifty-one million, one hundred thirteen thousand, two hundred eleven".