1150001550505 has 32 divisors (see below), whose sum is σ = 1488315628800. Its totient is φ = 850178073600.

The previous prime is 1150001550497. The next prime is 1150001550521. The reversal of 1150001550505 is 5050551000511.

It is not a de Polignac number, because 1150001550505 - 2³ = 1150001550497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26624116 + ... + 26667274.

It is an arithmetic number, because the mean of its divisors is an integer number (46509863400).

Almost surely, 2^{1150001550505} is an apocalyptic number.

It is an amenable number.

1150001550505 is a deficient number, since it is larger than the sum of its proper divisors (338314078295).

1150001550505 is a wasteful number, since it uses less digits than its factorization.

1150001550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50065.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 1150001550505 in words is "one trillion, one hundred fifty billion, one million, five hundred fifty thousand, five hundred five".