1125328291971 has 8 divisors (see below), whose sum is σ = 1615856009040. Its totient is φ = 692509718112.

The previous prime is 1125328291937. The next prime is 1125328291973. The reversal of 1125328291971 is 1791928235211.

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

It is not a de Polignac number, because 1125328291971 - 2⁶ = 1125328291907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125328291973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14427285756 + ... + 14427285833.

It is an arithmetic number, because the mean of its divisors is an integer number (201982001130).

Almost surely, 2^{1125328291971} is an apocalyptic number.

1125328291971 is a deficient number, since it is larger than the sum of its proper divisors (490527717069).

1125328291971 is a wasteful number, since it uses less digits than its factorization.

1125328291971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28854571605.

The product of its digits is 544320, while the sum is 51.

The spelling of 1125328291971 in words is "one trillion, one hundred twenty-five billion, three hundred twenty-eight million, two hundred ninety-one thousand, nine hundred seventy-one".