13400035510121 has 16 divisors (see below), whose sum is σ = 14529605428800. Its totient is φ = 12284601839040.

The previous prime is 13400035510033. The next prime is 13400035510159. The reversal of 13400035510121 is 12101553000431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13400035510121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13400035510181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14112266 + ... + 15031836.

It is an arithmetic number, because the mean of its divisors is an integer number (908100339300).

Almost surely, 2^{13400035510121} is an apocalyptic number.

It is an amenable number.

13400035510121 is a deficient number, since it is larger than the sum of its proper divisors (1129569918679).

13400035510121 is a wasteful number, since it uses less digits than its factorization.

13400035510121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927256.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 13400035510121 its reverse (12101553000431), we get a palindrome (25501588510552).

The spelling of 13400035510121 in words is "thirteen trillion, four hundred billion, thirty-five million, five hundred ten thousand, one hundred twenty-one".