1286628831301 has 8 divisors (see below), whose sum is σ = 1403653857408. Its totient is φ = 1169613600000.

The previous prime is 1286628831247. The next prime is 1286628831329. The reversal of 1286628831301 is 1031388266821.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1286628831301 - 2¹¹ = 1286628829253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286628831601) 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, 2172685 + ... + 2700706.

It is an arithmetic number, because the mean of its divisors is an integer number (175456732176).

Almost surely, 2^{1286628831301} is an apocalyptic number.

1286628831301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1286628831301 is a deficient number, since it is larger than the sum of its proper divisors (117025026107).

1286628831301 is a wasteful number, since it uses less digits than its factorization.

1286628831301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897403.

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

The spelling of 1286628831301 in words is "one trillion, two hundred eighty-six billion, six hundred twenty-eight million, eight hundred thirty-one thousand, three hundred one".