115471951 has 4 divisors (see below), whose sum is σ = 131967952. Its totient is φ = 98975952.

The previous prime is 115471943. The next prime is 115471969. The reversal of 115471951 is 159174511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115471951 - 2³ = 115471943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115471921) 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 3 ways as a sum of consecutive naturals, for example, 8247990 + ... + 8248003.

It is an arithmetic number, because the mean of its divisors is an integer number (32991988).

Almost surely, 2^115471951 is an apocalyptic number.

115471951 is a deficient number, since it is larger than the sum of its proper divisors (16496001).

115471951 is an equidigital number, since it uses as much as digits as its factorization.

115471951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16496000.

The product of its digits is 6300, while the sum is 34.

The square root of 115471951 is about 10745.7875932851. The cubic root of 115471951 is about 486.9587432215.

The spelling of 115471951 in words is "one hundred fifteen million, four hundred seventy-one thousand, nine hundred fifty-one".