1311111130002 has 64 divisors (see below), whose sum is σ = 2738190244608. Its totient is φ = 418109472000.

The previous prime is 1311111129971. The next prime is 1311111130003. The reversal of 1311111130002 is 2000311111131.

It is not an unprimeable number, because it can be changed into a prime (1311111130003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43197352 + ... + 43227692.

It is an arithmetic number, because the mean of its divisors is an integer number (42784222572).

Almost surely, 2^{1311111130002} is an apocalyptic number.

1311111130002 is an abundant number, since it is smaller than the sum of its proper divisors (1427079114606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311111130002 is a wasteful number, since it uses less digits than its factorization.

1311111130002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33635.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1311111130002 its reverse (2000311111131), we get a palindrome (3311422241133).

The spelling of 1311111130002 in words is "one trillion, three hundred eleven billion, one hundred eleven million, one hundred thirty thousand, two".