118861536 has 48 divisors (see below), whose sum is σ = 314801424. Its totient is φ = 39266304.

The previous prime is 118861529. The next prime is 118861537. The reversal of 118861536 is 635168811.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 118861494 and 118861503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118861537) 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, 5370 + ... + 16326.

It is an arithmetic number, because the mean of its divisors is an integer number (6558363).

Almost surely, 2^118861536 is an apocalyptic number.

118861536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118861536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157400712).

118861536 is an abundant number, since it is smaller than the sum of its proper divisors (195939888).

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

118861536 is a wasteful number, since it uses less digits than its factorization.

118861536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11083 (or 11075 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 118861536 is about 10902.3637803918. The cubic root of 118861536 is about 491.6776260828.

The spelling of 118861536 in words is "one hundred eighteen million, eight hundred sixty-one thousand, five hundred thirty-six".