13563445275400 has 48 divisors (see below), whose sum is σ = 32130010484100. Its totient is φ = 5323012481280.

The previous prime is 13563445275383. The next prime is 13563445275431. The reversal of 13563445275400 is 457254436531.

13563445275400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4036876603204 + 9526568672196 = 2009198^2 + 3086514^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639774555 + ... + 639795754.

Almost surely, 2^{13563445275400} is an apocalyptic number.

13563445275400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13563445275400 is an abundant number, since it is smaller than the sum of its proper divisors (18566565208700).

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

13563445275400 is a wasteful number, since it uses less digits than its factorization.

13563445275400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279570378 (or 1279570369 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 13563445275400 in words is "thirteen trillion, five hundred sixty-three billion, four hundred forty-five million, two hundred seventy-five thousand, four hundred".