1311102035512 has 32 divisors (see below), whose sum is σ = 2498745516480. Its totient is φ = 644771007360.

The previous prime is 1311102035501. The next prime is 1311102035531. The reversal of 1311102035512 is 2155302011131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11309313 + ... + 11424655.

It is an arithmetic number, because the mean of its divisors is an integer number (78085797390).

Almost surely, 2^{1311102035512} is an apocalyptic number.

It is an amenable number.

1311102035512 is a deficient number, since it is larger than the sum of its proper divisors (1187643480968).

1311102035512 is a wasteful number, since it uses less digits than its factorization.

1311102035512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138703 (or 138699 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 1311102035512 its reverse (2155302011131), we get a palindrome (3466404046643).

The spelling of 1311102035512 in words is "one trillion, three hundred eleven billion, one hundred two million, thirty-five thousand, five hundred twelve".