1125921519936 has 84 divisors (see below), whose sum is σ = 3227455573524. Its totient is φ = 375283353600.

The previous prime is 1125921519929. The next prime is 1125921519997. The reversal of 1125921519936 is 6399151295211.

1125921519936 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 92 + 1 + 519 + 9 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1085230561536 + 40690958400 = 1041744^2 + 201720^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10615326 + ... + 10720866.

It is an arithmetic number, because the mean of its divisors is an integer number (38422090161).

Almost surely, 2^{1125921519936} is an apocalyptic number.

1125921519936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1125921519936 is an abundant number, since it is smaller than the sum of its proper divisors (2101534053588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125921519936 is a wasteful number, since it uses less digits than its factorization.

1125921519936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124080 (or 124067 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 54.

The spelling of 1125921519936 in words is "one trillion, one hundred twenty-five billion, nine hundred twenty-one million, five hundred nineteen thousand, nine hundred thirty-six".