115530332054550 has 48 divisors (see below), whose sum is σ = 327445969711872. Its totient is φ = 26406933040800.

The previous prime is 115530332054519. The next prime is 115530332054561. The reversal of 115530332054550 is 55450233035511.

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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55014442786 + ... + 55014444885.

It is an arithmetic number, because the mean of its divisors is an integer number (6821791035664).

Almost surely, 2^{115530332054550} is an apocalyptic number.

115530332054550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115530332054550 is an abundant number, since it is smaller than the sum of its proper divisors (211915637657322).

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

115530332054550 is a wasteful number, since it uses less digits than its factorization.

115530332054550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110028887693 (or 110028887688 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 115530332054550 in words is "one hundred fifteen trillion, five hundred thirty billion, three hundred thirty-two million, fifty-four thousand, five hundred fifty".