1311156223622 has 48 divisors (see below), whose sum is σ = 2311287387552. Its totient is φ = 556169443200.

The previous prime is 1311156223621. The next prime is 1311156223691. The reversal of 1311156223622 is 2263226511131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311156223621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19275872 + ... + 19343772.

It is an arithmetic number, because the mean of its divisors is an integer number (48151820574).

Almost surely, 2^{1311156223622} is an apocalyptic number.

1311156223622 is a deficient number, since it is larger than the sum of its proper divisors (1000131163930).

1311156223622 is a wasteful number, since it uses less digits than its factorization.

1311156223622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69933 (or 69926 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The spelling of 1311156223622 in words is "one trillion, three hundred eleven billion, one hundred fifty-six million, two hundred twenty-three thousand, six hundred twenty-two".