13311134133040 has 40 divisors (see below), whose sum is σ = 30948698585088. Its totient is φ = 5324400023040.

The previous prime is 13311134133023. The next prime is 13311134133041. The reversal of 13311134133040 is 4033143111331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (13311134133041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7693660 + ... + 9263620.

Almost surely, 2^{13311134133040} is an apocalyptic number.

13311134133040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311134133040 is an abundant number, since it is smaller than the sum of its proper divisors (17637564452048).

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

13311134133040 is a wasteful number, since it uses less digits than its factorization.

13311134133040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675957 (or 1675951 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 13311134133040 its reverse (4033143111331), we get a palindrome (17344277244371).

The spelling of 13311134133040 in words is "thirteen trillion, three hundred eleven billion, one hundred thirty-four million, one hundred thirty-three thousand, forty".