1311255533006 has 8 divisors (see below), whose sum is σ = 1966889963664. Its totient is φ = 655625545120.

The previous prime is 1311255532997. The next prime is 1311255533023. The reversal of 1311255533006 is 6003355521131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234635 + ... + 1636326.

It is an arithmetic number, because the mean of its divisors is an integer number (245861245458).

Almost surely, 2^{1311255533006} is an apocalyptic number.

1311255533006 is a deficient number, since it is larger than the sum of its proper divisors (655634430658).

1311255533006 is a wasteful number, since it uses less digits than its factorization.

1311255533006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221386.

The product of its (nonzero) digits is 40500, while the sum is 35.

The spelling of 1311255533006 in words is "one trillion, three hundred eleven billion, two hundred fifty-five million, five hundred thirty-three thousand, six".