115551486 has 48 divisors (see below), whose sum is σ = 260638560. Its totient is φ = 36953280.

The previous prime is 115551479. The next prime is 115551487. The reversal of 115551486 is 684155511.

115551486 is a `hidden beast` number, since 11 + 55 + 514 + 86 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115551486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115551487) 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 23 ways as a sum of consecutive naturals, for example, 93871 + ... + 95093.

It is an arithmetic number, because the mean of its divisors is an integer number (5429970).

Almost surely, 2^115551486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115551486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130319280).

115551486 is an abundant number, since it is smaller than the sum of its proper divisors (145087074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115551486 is a wasteful number, since it uses less digits than its factorization.

115551486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 1438 counting only the distinct ones).

The product of its digits is 24000, while the sum is 36.

The square root of 115551486 is about 10749.4877087236. The cubic root of 115551486 is about 487.0705203658.

It can be divided in two parts, 11555 and 1486, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 115551486 in words is "one hundred fifteen million, five hundred fifty-one thousand, four hundred eighty-six".