4405511553551 has 4 divisors (see below), whose sum is σ = 4547624829504. Its totient is φ = 4263398277600.

The previous prime is 4405511553539. The next prime is 4405511553557. The reversal of 4405511553551 is 1553551155044.

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 4405511553551 - 2¹⁸ = 4405511291407 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 (4405511553557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 71056637930 + ... + 71056637991.

It is an arithmetic number, because the mean of its divisors is an integer number (1136906207376).

Almost surely, 2^{4405511553551} is an apocalyptic number.

4405511553551 is a deficient number, since it is larger than the sum of its proper divisors (142113275953).

4405511553551 is a wasteful number, since it uses less digits than its factorization.

4405511553551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142113275952.

The product of its (nonzero) digits is 750000, while the sum is 44.

The spelling of 4405511553551 in words is "four trillion, four hundred five billion, five hundred eleven million, five hundred fifty-three thousand, five hundred fifty-one".