1150771581215 has 4 divisors (see below), whose sum is σ = 1380925897464. Its totient is φ = 920617264968.

The previous prime is 1150771581187. The next prime is 1150771581233. The reversal of 1150771581215 is 5121851770511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1150771581215 - 2²⁴ = 1150754803999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115077158117 + ... + 115077158126.

It is an arithmetic number, because the mean of its divisors is an integer number (345231474366).

Almost surely, 2^{1150771581215} is an apocalyptic number.

1150771581215 is a deficient number, since it is larger than the sum of its proper divisors (230154316249).

1150771581215 is an equidigital number, since it uses as much as digits as its factorization.

1150771581215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230154316248.

The product of its (nonzero) digits is 98000, while the sum is 44.

The spelling of 1150771581215 in words is "one trillion, one hundred fifty billion, seven hundred seventy-one million, five hundred eighty-one thousand, two hundred fifteen".