1125667052811 has 48 divisors (see below), whose sum is σ = 1904776473600. Its totient is φ = 627150867840.

The previous prime is 1125667052771. The next prime is 1125667052831. The reversal of 1125667052811 is 1182507665211.

1125667052811 is a `hidden beast` number, since 1 + 1 + 2 + 56 + 6 + 70 + 528 + 1 + 1 = 666.

It is not a de Polignac number, because 1125667052811 - 2¹⁰ = 1125667051787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125667052831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3951240 + ... + 4226538.

It is an arithmetic number, because the mean of its divisors is an integer number (39682843200).

Almost surely, 2^{1125667052811} is an apocalyptic number.

1125667052811 is a deficient number, since it is larger than the sum of its proper divisors (779109420789).

1125667052811 is a wasteful number, since it uses less digits than its factorization.

1125667052811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276936 (or 276933 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 1125667052811 in words is "one trillion, one hundred twenty-five billion, six hundred sixty-seven million, fifty-two thousand, eight hundred eleven".