1551140104544 has 48 divisors (see below), whose sum is σ = 3105093355056. Its totient is φ = 762554995200.

The previous prime is 1551140104531. The next prime is 1551140104681. The reversal of 1551140104544 is 4454010411551.

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 7 ways as a sum of consecutive naturals, for example, 4835879 + ... + 5146649.

It is an arithmetic number, because the mean of its divisors is an integer number (64689444897).

Almost surely, 2^{1551140104544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1551140104544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552546677528).

1551140104544 is an abundant number, since it is smaller than the sum of its proper divisors (1553953250512).

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

1551140104544 is a wasteful number, since it uses less digits than its factorization.

1551140104544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313399 (or 313391 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The spelling of 1551140104544 in words is "one trillion, five hundred fifty-one billion, one hundred forty million, one hundred four thousand, five hundred forty-four".