1283045573661 has 8 divisors (see below), whose sum is σ = 1710748432800. Its totient is φ = 855353215152.

The previous prime is 1283045573651. The next prime is 1283045573713. The reversal of 1283045573661 is 1663755403821.

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

It is not a de Polignac number, because 1283045573661 - 2¹⁷ = 1283045442589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283045573651) 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, 2335486 + ... + 2832063.

It is an arithmetic number, because the mean of its divisors is an integer number (213843554100).

Almost surely, 2^{1283045573661} is an apocalyptic number.

It is an amenable number.

1283045573661 is a deficient number, since it is larger than the sum of its proper divisors (427702859139).

1283045573661 is an equidigital number, since it uses as much as digits as its factorization.

1283045573661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250315.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 1283045573661 in words is "one trillion, two hundred eighty-three billion, forty-five million, five hundred seventy-three thousand, six hundred sixty-one".