13161434783905 has 16 divisors (see below), whose sum is σ = 15872647085568. Its totient is φ = 10476615600000.

The previous prime is 13161434783897. The next prime is 13161434783933. The reversal of 13161434783905 is 50938743416131.

It is not a de Polignac number, because 13161434783905 - 2³ = 13161434783897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4047516 + ... + 6534925.

It is an arithmetic number, because the mean of its divisors is an integer number (992040442848).

Almost surely, 2^{13161434783905} is an apocalyptic number.

It is an amenable number.

13161434783905 is a deficient number, since it is larger than the sum of its proper divisors (2711212301663).

13161434783905 is a wasteful number, since it uses less digits than its factorization.

13161434783905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583688.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 13161434783905 in words is "thirteen trillion, one hundred sixty-one billion, four hundred thirty-four million, seven hundred eighty-three thousand, nine hundred five".