1125255260536 has 64 divisors (see below), whose sum is σ = 2351098690560. Its totient is φ = 500497296000.

The previous prime is 1125255260533. The next prime is 1125255260557. The reversal of 1125255260536 is 6350625525211.

It is a junction number, because it is equal to n+sod(n) for n = 1125255260492 and 1125255260501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125255260533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23100046 + ... + 23148706.

It is an arithmetic number, because the mean of its divisors is an integer number (36735917040).

Almost surely, 2^{1125255260536} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125255260536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175549345280).

1125255260536 is an abundant number, since it is smaller than the sum of its proper divisors (1225843430024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125255260536 is a wasteful number, since it uses less digits than its factorization.

1125255260536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54316 (or 54312 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 1125255260536 in words is "one trillion, one hundred twenty-five billion, two hundred fifty-five million, two hundred sixty thousand, five hundred thirty-six".