1125515450055 has 8 divisors (see below), whose sum is σ = 1800824720112. Its totient is φ = 600274906688.

The previous prime is 1125515449973. The next prime is 1125515450113. The reversal of 1125515450055 is 5500545155211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125515450055 - 2⁹ = 1125515449543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125515449995 and 1125515450022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37517181654 + ... + 37517181683.

It is an arithmetic number, because the mean of its divisors is an integer number (225103090014).

Almost surely, 2^{1125515450055} is an apocalyptic number.

1125515450055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125515450055 is a deficient number, since it is larger than the sum of its proper divisors (675309270057).

1125515450055 is an equidigital number, since it uses as much as digits as its factorization.

1125515450055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75034363345.

The product of its (nonzero) digits is 125000, while the sum is 39.

The spelling of 1125515450055 in words is "one trillion, one hundred twenty-five billion, five hundred fifteen million, four hundred fifty thousand, fifty-five".