113252222550 has 48 divisors (see below), whose sum is σ = 280892593152. Its totient is φ = 30197680800.

The previous prime is 113252222539. The next prime is 113252222561. The reversal of 113252222550 is 55222252311.

It is an interprime number because it is at equal distance from previous prime (113252222539) and next prime (113252222561).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1848915 + ... + 1909185.

It is an arithmetic number, because the mean of its divisors is an integer number (5851929024).

Almost surely, 2^113252222550 is an apocalyptic number.

113252222550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113252222550 is an abundant number, since it is smaller than the sum of its proper divisors (167640370602).

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

113252222550 is a wasteful number, since it uses less digits than its factorization.

113252222550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72813 (or 72808 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 113252222550 its reverse (55222252311), we get a palindrome (168474474861).

The spelling of 113252222550 in words is "one hundred thirteen billion, two hundred fifty-two million, two hundred twenty-two thousand, five hundred fifty".