115056221140 has 48 divisors (see below), whose sum is σ = 277373279232. Its totient is φ = 39270940416.

The previous prime is 115056221083. The next prime is 115056221149. The reversal of 115056221140 is 41122650511.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 115056221099 and 115056221108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115056221149) 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, 1811449 + ... + 1873888.

It is an arithmetic number, because the mean of its divisors is an integer number (5778609984).

Almost surely, 2^115056221140 is an apocalyptic number.

115056221140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115056221140 is an abundant number, since it is smaller than the sum of its proper divisors (162317058092).

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

115056221140 is a wasteful number, since it uses less digits than its factorization.

115056221140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685576 (or 3685574 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 115056221140 its reverse (41122650511), we get a palindrome (156178871651).

The spelling of 115056221140 in words is "one hundred fifteen billion, fifty-six million, two hundred twenty-one thousand, one hundred forty".