13105401515553 has 16 divisors (see below), whose sum is σ = 17491656728000. Its totient is φ = 8728040986560.

The previous prime is 13105401515537. The next prime is 13105401515621. The reversal of 13105401515553 is 35551510450131.

It is not a de Polignac number, because 13105401515553 - 2⁴ = 13105401515537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13105401514553) 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, 98865603 + ... + 98998071.

It is an arithmetic number, because the mean of its divisors is an integer number (1093228545500).

Almost surely, 2^{13105401515553} is an apocalyptic number.

It is an amenable number.

13105401515553 is a deficient number, since it is larger than the sum of its proper divisors (4386255212447).

13105401515553 is a wasteful number, since it uses less digits than its factorization.

13105401515553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165792.

The product of its (nonzero) digits is 112500, while the sum is 39.

Adding to 13105401515553 its reverse (35551510450131), we get a palindrome (48656911965684).

The spelling of 13105401515553 in words is "thirteen trillion, one hundred five billion, four hundred one million, five hundred fifteen thousand, five hundred fifty-three".