13311355412 has 6 divisors (see below), whose sum is σ = 23294871978. Its totient is φ = 6655677704.

The previous prime is 13311355411. The next prime is 13311355417. The reversal of 13311355412 is 21455311331.

It can be written as a sum of positive squares in only one way, i.e., 12778945936 + 532409476 = 113044^2 + 23074^2 .

It is a super-4 number, since 4×13311355412⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311355411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1663919423 + ... + 1663919430.

It is an arithmetic number, because the mean of its divisors is an integer number (3882478663).

Almost surely, 2^13311355412 is an apocalyptic number.

It is an amenable number.

13311355412 is a deficient number, since it is larger than the sum of its proper divisors (9983516566).

13311355412 is a wasteful number, since it uses less digits than its factorization.

13311355412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327838857 (or 3327838855 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

Adding to 13311355412 its reverse (21455311331), we get a palindrome (34766666743).

The spelling of 13311355412 in words is "thirteen billion, three hundred eleven million, three hundred fifty-five thousand, four hundred twelve".