1125895985972 has 24 divisors (see below), whose sum is σ = 1981442196552. Its totient is φ = 559770393600.

The previous prime is 1125895985941. The next prime is 1125895986013. The reversal of 1125895985972 is 2795895985211.

It can be written as a sum of positive squares in 4 ways, for example, as 142518330256 + 983377655716 = 377516^2 + 991654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1125895985896 and 1125895985905.

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, 6218972 + ... + 6397452.

It is an arithmetic number, because the mean of its divisors is an integer number (82560091523).

Almost surely, 2^{1125895985972} is an apocalyptic number.

It is an amenable number.

1125895985972 is a deficient number, since it is larger than the sum of its proper divisors (855546210580).

1125895985972 is a wasteful number, since it uses less digits than its factorization.

1125895985972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187379 (or 187377 counting only the distinct ones).

The product of its digits is 163296000, while the sum is 71.

The spelling of 1125895985972 in words is "one trillion, one hundred twenty-five billion, eight hundred ninety-five million, nine hundred eighty-five thousand, nine hundred seventy-two".