115211451 has 8 divisors (see below), whose sum is σ = 157767184. Its totient is φ = 74731680.

The previous prime is 115211449. The next prime is 115211477. The reversal of 115211451 is 154112511.

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

It is not a de Polignac number, because 115211451 - 2¹ = 115211449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115211251) 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, 518860 + ... + 519081.

It is an arithmetic number, because the mean of its divisors is an integer number (19720898).

Almost surely, 2^115211451 is an apocalyptic number.

115211451 is a deficient number, since it is larger than the sum of its proper divisors (42555733).

115211451 is a wasteful number, since it uses less digits than its factorization.

115211451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037981.

The product of its digits is 200, while the sum is 21.

The square root of 115211451 is about 10733.6597207104. The cubic root of 115211451 is about 486.5922811708.

Adding to 115211451 its reverse (154112511), we get a palindrome (269323962).

The spelling of 115211451 in words is "one hundred fifteen million, two hundred eleven thousand, four hundred fifty-one".