1311250501101 has 8 divisors (see below), whose sum is σ = 1748448835200. Its totient is φ = 874109583872.

The previous prime is 1311250501097. The next prime is 1311250501133. The reversal of 1311250501101 is 1011050521131.

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 1311250501101 - 2² = 1311250501097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311250501601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14300901 + ... + 14392298.

It is an arithmetic number, because the mean of its divisors is an integer number (218556104400).

Almost surely, 2^{1311250501101} is an apocalyptic number.

It is an amenable number.

1311250501101 is a deficient number, since it is larger than the sum of its proper divisors (437198334099).

1311250501101 is a wasteful number, since it uses less digits than its factorization.

1311250501101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28708435.

The product of its (nonzero) digits is 150, while the sum is 21.

The spelling of 1311250501101 in words is "one trillion, three hundred eleven billion, two hundred fifty million, five hundred one thousand, one hundred one".