1000504550551 has 8 divisors (see below), whose sum is σ = 1091613256704. Its totient is φ = 909421468920.

The previous prime is 1000504550537. The next prime is 1000504550557. The reversal of 1000504550551 is 1550554050001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000504550551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000504550557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6324441 + ... + 6480706.

It is an arithmetic number, because the mean of its divisors is an integer number (136451657088).

Almost surely, 2^{1000504550551} is an apocalyptic number.

1000504550551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000504550551 is a deficient number, since it is larger than the sum of its proper divisors (91108706153).

1000504550551 is a wasteful number, since it uses less digits than its factorization.

1000504550551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12812261.

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 1000504550551 in words is "one trillion, five hundred four million, five hundred fifty thousand, five hundred fifty-one".