1125512766031 has 4 divisors (see below), whose sum is σ = 1125535456864. Its totient is φ = 1125490075200.

The previous prime is 1125512766013. The next prime is 1125512766071. The reversal of 1125512766031 is 1306672155211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125512766031 is a prime.

It is a super-2 number, since 2×1125512766031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125512766071) 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 3 ways as a sum of consecutive naturals, for example, 11270850 + ... + 11370271.

It is an arithmetic number, because the mean of its divisors is an integer number (281383864216).

Almost surely, 2^{1125512766031} is an apocalyptic number.

1125512766031 is a deficient number, since it is larger than the sum of its proper divisors (22690833).

1125512766031 is an equidigital number, since it uses as much as digits as its factorization.

1125512766031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22690832.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 1125512766031 in words is "one trillion, one hundred twenty-five billion, five hundred twelve million, seven hundred sixty-six thousand, thirty-one".