1005605060551 has 32 divisors (see below), whose sum is σ = 1284282187776. Its totient is φ = 765945936000.

The previous prime is 1005605060549. The next prime is 1005605060573. The reversal of 1005605060551 is 1550605065001.

It is not a de Polignac number, because 1005605060551 - 2¹ = 1005605060549 is a prime.

It is a super-3 number, since 3×1005605060551³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005605060351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394360 + ... + 1471981.

It is an arithmetic number, because the mean of its divisors is an integer number (40133818368).

Almost surely, 2^{1005605060551} is an apocalyptic number.

1005605060551 is a deficient number, since it is larger than the sum of its proper divisors (278677127225).

1005605060551 is a wasteful number, since it uses less digits than its factorization.

1005605060551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866583.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 1005605060551 in words is "one trillion, five billion, six hundred five million, sixty thousand, five hundred fifty-one".