1126881261795 has 32 divisors (see below), whose sum is σ = 1861248190464. Its totient is φ = 581592211200.

The previous prime is 1126881261791. The next prime is 1126881261817. The reversal of 1126881261795 is 5971621886211.

It is a happy number.

It is not a de Polignac number, because 1126881261795 - 2² = 1126881261791 is a prime.

It is a super-2 number, since 2×1126881261795² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1126881261791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19521175 + ... + 19578815.

It is an arithmetic number, because the mean of its divisors is an integer number (58164005952).

Almost surely, 2^{1126881261795} is an apocalyptic number.

1126881261795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1126881261795 is a deficient number, since it is larger than the sum of its proper divisors (734366928669).

1126881261795 is a wasteful number, since it uses less digits than its factorization.

1126881261795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99723.

The product of its digits is 2903040, while the sum is 57.

The spelling of 1126881261795 in words is "one trillion, one hundred twenty-six billion, eight hundred eighty-one million, two hundred sixty-one thousand, seven hundred ninety-five".