115213056 has 144 divisors (see below), whose sum is σ = 363014400. Its totient is φ = 31739904.

The previous prime is 115213051. The next prime is 115213061. The reversal of 115213056 is 650312511.

It is an interprime number because it is at equal distance from previous prime (115213051) and next prime (115213061).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (115213051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155535 + ... + 156273.

Almost surely, 2^115213056 is an apocalyptic number.

115213056 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 115213056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181507200).

115213056 is an abundant number, since it is smaller than the sum of its proper divisors (247801344).

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

115213056 is an equidigital number, since it uses as much as digits as its factorization.

115213056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 115213056 is about 10733.7344852572. The cubic root of 115213056 is about 486.5945407175.

Adding to 115213056 its reverse (650312511), we get a palindrome (765525567).

The spelling of 115213056 in words is "one hundred fifteen million, two hundred thirteen thousand, fifty-six".