1255610825536 has 14 divisors (see below), whose sum is σ = 2491602732050. Its totient is φ = 627805412736.

The previous prime is 1255610825519. The next prime is 1255610825549. The reversal of 1255610825536 is 6355280165521.

It can be written as a sum of positive squares in only one way, i.e., 753326787136 + 502284038400 = 867944^2 + 708720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1255610825536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9809459511 + ... + 9809459638.

Almost surely, 2^{1255610825536} is an apocalyptic number.

1255610825536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1255610825536 is a deficient number, since it is larger than the sum of its proper divisors (1235991906514).

1255610825536 is an equidigital number, since it uses as much as digits as its factorization.

1255610825536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19618919161 (or 19618919151 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 1255610825536 in words is "one trillion, two hundred fifty-five billion, six hundred ten million, eight hundred twenty-five thousand, five hundred thirty-six".