1286628041029 has 16 divisors (see below), whose sum is σ = 1310415261120. Its totient is φ = 1263049096320.

The previous prime is 1286628041011. The next prime is 1286628041081. The reversal of 1286628041029 is 9201408266821.

It is a cyclic number.

It is not a de Polignac number, because 1286628041029 - 2³⁹ = 736872227141 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 (1286628041929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19593319 + ... + 19658875.

It is an arithmetic number, because the mean of its divisors is an integer number (81900953820).

Almost surely, 2^{1286628041029} is an apocalyptic number.

It is an amenable number.

1286628041029 is a deficient number, since it is larger than the sum of its proper divisors (23787220091).

1286628041029 is a wasteful number, since it uses less digits than its factorization.

1286628041029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67140.

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 1286628041029 in words is "one trillion, two hundred eighty-six billion, six hundred twenty-eight million, forty-one thousand, twenty-nine".