6754280520551 has 4 divisors (see below), whose sum is σ = 6768743648472. Its totient is φ = 6739817392632.

The previous prime is 6754280520539. The next prime is 6754280520643. The reversal of 6754280520551 is 1550250824576.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6754280520551 - 2⁴² = 2356234009447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6754280520551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6754280520751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7231563260 + ... + 7231564193.

It is an arithmetic number, because the mean of its divisors is an integer number (1692185912118).

Almost surely, 2^{6754280520551} is an apocalyptic number.

6754280520551 is a deficient number, since it is larger than the sum of its proper divisors (14463127921).

6754280520551 is a wasteful number, since it uses less digits than its factorization.

6754280520551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14463127920.

The product of its (nonzero) digits is 3360000, while the sum is 50.

The spelling of 6754280520551 in words is "six trillion, seven hundred fifty-four billion, two hundred eighty million, five hundred twenty thousand, five hundred fifty-one".