115223561240550 has 96 divisors (see below), whose sum is σ = 329747139451392. Its totient is φ = 26081116750080.

The previous prime is 115223561240461. The next prime is 115223561240569. The reversal of 115223561240550 is 55042165322511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 532594399 + ... + 532810698.

It is an arithmetic number, because the mean of its divisors is an integer number (3434866035952).

Almost surely, 2^{115223561240550} is an apocalyptic number.

115223561240550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115223561240550 is an abundant number, since it is smaller than the sum of its proper divisors (214523578210842).

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

115223561240550 is a wasteful number, since it uses less digits than its factorization.

115223561240550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065405222 (or 1065405217 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 115223561240550 in words is "one hundred fifteen trillion, two hundred twenty-three billion, five hundred sixty-one million, two hundred forty thousand, five hundred fifty".