7153481554128 has 1440 divisors, whose sum is σ = 28021838487552. Its totient is φ = 1745960832000.

The previous prime is 7153481554111. The next prime is 7153481554207. The reversal of 7153481554128 is 8214551843517.

7153481554128 is a `hidden beast` number, since 7 + 1 + 5 + 3 + 4 + 81 + 554 + 1 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 in 287 ways as a sum of consecutive naturals, for example, 1765853703 + ... + 1765857753.

Almost surely, 2^{7153481554128} is an apocalyptic number.

7153481554128 is a gapful number since it is divisible by the number (78) 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 7153481554128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14010919243776).

7153481554128 is an abundant number, since it is smaller than the sum of its proper divisors (20868356933424).

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

7153481554128 is a wasteful number, since it uses less digits than its factorization.

7153481554128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155 (or 4130 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 54.

The spelling of 7153481554128 in words is "seven trillion, one hundred fifty-three billion, four hundred eighty-one million, five hundred fifty-four thousand, one hundred twenty-eight".