1551741827280 has 160 divisors (see below), whose sum is σ = 4919454884736. Its totient is φ = 404517076992.

The previous prime is 1551741827213. The next prime is 1551741827299. The reversal of 1551741827280 is 827281471551.

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 31 ways as a sum of consecutive naturals, for example, 1587859 + ... + 2371661.

Almost surely, 2^{1551741827280} is an apocalyptic number.

1551741827280 is a gapful number since it is divisible by the number (10) 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 1551741827280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459727442368).

1551741827280 is an abundant number, since it is smaller than the sum of its proper divisors (3367713057456).

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

1551741827280 is a wasteful number, since it uses less digits than its factorization.

1551741827280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784005 (or 783999 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 51.

The spelling of 1551741827280 in words is "one trillion, five hundred fifty-one billion, seven hundred forty-one million, eight hundred twenty-seven thousand, two hundred eighty".