1126255781325 has 24 divisors (see below), whose sum is σ = 1872839693088. Its totient is φ = 597197663680.

The previous prime is 1126255781297. The next prime is 1126255781383. The reversal of 1126255781325 is 5231875526211.

It is not a de Polignac number, because 1126255781325 - 2⁸ = 1126255781069 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 43388019 + ... + 43413968.

It is an arithmetic number, because the mean of its divisors is an integer number (78034987212).

Almost surely, 2^{1126255781325} is an apocalyptic number.

1126255781325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1126255781325 is a deficient number, since it is larger than the sum of its proper divisors (746583911763).

1126255781325 is a wasteful number, since it uses less digits than its factorization.

1126255781325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86802173 (or 86802168 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 48.

The spelling of 1126255781325 in words is "one trillion, one hundred twenty-six billion, two hundred fifty-five million, seven hundred eighty-one thousand, three hundred twenty-five".