1150505505615 has 64 divisors (see below), whose sum is σ = 2014733316096. Its totient is φ = 558911181312.

The previous prime is 1150505505553. The next prime is 1150505505623. The reversal of 1150505505615 is 5165055050511.

It is not a de Polignac number, because 1150505505615 - 2³⁰ = 1149431763791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 358872 + ... + 1558781.

It is an arithmetic number, because the mean of its divisors is an integer number (31480208064).

Almost surely, 2^{1150505505615} is an apocalyptic number.

1150505505615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1150505505615 is a deficient number, since it is larger than the sum of its proper divisors (864227810481).

1150505505615 is a wasteful number, since it uses less digits than its factorization.

1150505505615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917768.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 1150505505615 in words is "one trillion, one hundred fifty billion, five hundred five million, five hundred five thousand, six hundred fifteen".