1115051451 has 16 divisors (see below), whose sum is σ = 1494781440. Its totient is φ = 739355040.

The previous prime is 1115051449. The next prime is 1115051473. The reversal of 1115051451 is 1541505111.

It is not a de Polignac number, because 1115051451 - 2¹ = 1115051449 is a prime.

It is a super-3 number, since 3×1115051451³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1115051401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868456 + ... + 869738.

It is an arithmetic number, because the mean of its divisors is an integer number (93423840).

Almost surely, 2^1115051451 is an apocalyptic number.

1115051451 is a deficient number, since it is larger than the sum of its proper divisors (379729989).

1115051451 is a wasteful number, since it uses less digits than its factorization.

1115051451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626.

The product of its (nonzero) digits is 500, while the sum is 24.

The square root of 1115051451 is about 33392.3861231868. The cubic root of 1115051451 is about 1036.9670794020.

Adding to 1115051451 its reverse (1541505111), we get a palindrome (2656556562).

The spelling of 1115051451 in words is "one billion, one hundred fifteen million, fifty-one thousand, four hundred fifty-one".