13261453465546 has 64 divisors (see below), whose sum is σ = 23821786388736. Its totient is φ = 5457450700800.

The previous prime is 13261453465529. The next prime is 13261453465549. The reversal of 13261453465546 is 64556435416231.

13261453465546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13261453465546² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13261453465549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2227140 + ... + 5610976.

It is an arithmetic number, because the mean of its divisors is an integer number (372215412324).

Almost surely, 2^{13261453465546} is an apocalyptic number.

13261453465546 is a deficient number, since it is larger than the sum of its proper divisors (10560332923190).

13261453465546 is a wasteful number, since it uses less digits than its factorization.

13261453465546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384127.

The product of its digits is 31104000, while the sum is 55.

The spelling of 13261453465546 in words is "thirteen trillion, two hundred sixty-one billion, four hundred fifty-three million, four hundred sixty-five thousand, five hundred forty-six".