1125261075611 has 12 divisors (see below), whose sum is σ = 1181101850208. Its totient is φ = 1071553901472.

The previous prime is 1125261075607. The next prime is 1125261075629. The reversal of 1125261075611 is 1165701625211.

It is not a de Polignac number, because 1125261075611 - 2² = 1125261075607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125261075671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8679896 + ... + 8808581.

It is an arithmetic number, because the mean of its divisors is an integer number (98425154184).

Almost surely, 2^{1125261075611} is an apocalyptic number.

1125261075611 is a deficient number, since it is larger than the sum of its proper divisors (55840774597).

1125261075611 is an equidigital number, since it uses as much as digits as its factorization.

1125261075611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17488598 (or 17488561 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 38.

The spelling of 1125261075611 in words is "one trillion, one hundred twenty-five billion, two hundred sixty-one million, seventy-five thousand, six hundred eleven".