1331852671855 has 64 divisors (see below), whose sum is σ = 1791888998400. Its totient is φ = 944397066240.

The previous prime is 1331852671789. The next prime is 1331852671867. The reversal of 1331852671855 is 5581762581331.

It is a happy number.

It is not a de Polignac number, because 1331852671855 - 2¹³ = 1331852663663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331852671796 and 1331852671805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 209638359 + ... + 209644711.

It is an arithmetic number, because the mean of its divisors is an integer number (27998265600).

Almost surely, 2^{1331852671855} is an apocalyptic number.

1331852671855 is a deficient number, since it is larger than the sum of its proper divisors (460036326545).

1331852671855 is a wasteful number, since it uses less digits than its factorization.

1331852671855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144.

The product of its digits is 6048000, while the sum is 55.

The spelling of 1331852671855 in words is "one trillion, three hundred thirty-one billion, eight hundred fifty-two million, six hundred seventy-one thousand, eight hundred fifty-five".