1255404154004 has 96 divisors (see below), whose sum is σ = 2957347411200. Its totient is φ = 450332789760.

The previous prime is 1255404153973. The next prime is 1255404154051. The reversal of 1255404154004 is 4004514045521.

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 31 ways as a sum of consecutive naturals, for example, 1154552 + ... + 1960560.

It is an arithmetic number, because the mean of its divisors is an integer number (30805702200).

Almost surely, 2^{1255404154004} is an apocalyptic number.

1255404154004 is a gapful number since it is divisible by the number (14) 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 1255404154004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478673705600).

1255404154004 is an abundant number, since it is smaller than the sum of its proper divisors (1701943257196).

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

1255404154004 is a wasteful number, since it uses less digits than its factorization.

1255404154004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806433 (or 806431 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 1255404154004 its reverse (4004514045521), we get a palindrome (5259918199525).

The spelling of 1255404154004 in words is "one trillion, two hundred fifty-five billion, four hundred four million, one hundred fifty-four thousand, four".