1551005240441 has 8 divisors (see below), whose sum is σ = 1601122220544. Its totient is φ = 1500893544960.

The previous prime is 1551005240431. The next prime is 1551005240539. The reversal of 1551005240441 is 1440425001551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1551005240441 - 2⁶ = 1551005240377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1551005240398 and 1551005240407.

It is not an unprimeable number, because it can be changed into a prime (1551005240431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720341 + ... + 1902866.

It is an arithmetic number, because the mean of its divisors is an integer number (200140277568).

Almost surely, 2^{1551005240441} is an apocalyptic number.

It is an amenable number.

1551005240441 is a deficient number, since it is larger than the sum of its proper divisors (50116980103).

1551005240441 is a wasteful number, since it uses less digits than its factorization.

1551005240441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642311.

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 1551005240441 in words is "one trillion, five hundred fifty-one billion, five million, two hundred forty thousand, four hundred forty-one".