1255100168448 has 540 divisors, whose sum is σ = 4494047238912. Its totient is φ = 347023595520.

The previous prime is 1255100168411. The next prime is 1255100168453. The reversal of 1255100168448 is 8448610015521.

1255100168448 is a `hidden beast` number, since 1 + 2 + 5 + 510 + 0 + 16 + 84 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 31478061 + ... + 31517907.

Almost surely, 2^{1255100168448} is an apocalyptic number.

1255100168448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255100168448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2247023619456).

1255100168448 is an abundant number, since it is smaller than the sum of its proper divisors (3238947070464).

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

1255100168448 is an equidigital number, since it uses as much as digits as its factorization.

1255100168448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39920 (or 39890 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 1255100168448 in words is "one trillion, two hundred fifty-five billion, one hundred million, one hundred sixty-eight thousand, four hundred forty-eight".