1051006605651 has 6 divisors (see below), whose sum is σ = 1518120652620. Its totient is φ = 700671070428.

The previous prime is 1051006605647. The next prime is 1051006605653. The reversal of 1051006605651 is 1565066001501.

It is not a de Polignac number, because 1051006605651 - 2² = 1051006605647 is a prime.

It is a super-2 number, since 2×1051006605651² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051006605653) 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 5 ways as a sum of consecutive naturals, for example, 58389255861 + ... + 58389255878.

It is an arithmetic number, because the mean of its divisors is an integer number (253020108770).

Almost surely, 2^{1051006605651} is an apocalyptic number.

1051006605651 is a deficient number, since it is larger than the sum of its proper divisors (467114046969).

1051006605651 is a wasteful number, since it uses less digits than its factorization.

1051006605651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116778511745 (or 116778511742 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 1051006605651 in words is "one trillion, fifty-one billion, six million, six hundred five thousand, six hundred fifty-one".