1125686971755 has 32 divisors (see below), whose sum is σ = 2047761323520. Its totient is φ = 586404372960.

The previous prime is 1125686971711. The next prime is 1125686971771. The reversal of 1125686971755 is 5571796865211.

It is a happy number.

1125686971755 is a `hidden beast` number, since 1 + 1 + 2 + 568 + 6 + 9 + 7 + 17 + 55 = 666.

It is not a de Polignac number, because 1125686971755 - 2⁶ = 1125686971691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125686971692 and 1125686971701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96952591 + ... + 96964200.

It is an arithmetic number, because the mean of its divisors is an integer number (63992541360).

Almost surely, 2^{1125686971755} is an apocalyptic number.

1125686971755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125686971755 is a deficient number, since it is larger than the sum of its proper divisors (922074351765).

1125686971755 is a wasteful number, since it uses less digits than its factorization.

1125686971755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193916848 (or 193916842 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 63.

The spelling of 1125686971755 in words is "one trillion, one hundred twenty-five billion, six hundred eighty-six million, nine hundred seventy-one thousand, seven hundred fifty-five".