1551005521352 has 32 divisors (see below), whose sum is σ = 3323965756800. Its totient is φ = 664640152704.

The previous prime is 1551005521343. The next prime is 1551005521397. The reversal of 1551005521352 is 2531255001551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101452 + ... + 2077307.

It is an arithmetic number, because the mean of its divisors is an integer number (103873929900).

Almost surely, 2^{1551005521352} is an apocalyptic number.

It is an amenable number.

1551005521352 is an abundant number, since it is smaller than the sum of its proper divisors (1772960235448).

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

1551005521352 is a wasteful number, since it uses less digits than its factorization.

1551005521352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187485 (or 3187481 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 1551005521352 in words is "one trillion, five hundred fifty-one billion, five million, five hundred twenty-one thousand, three hundred fifty-two".