13524655880378 has 4 divisors (see below), whose sum is σ = 20286983820570. Its totient is φ = 6762327940188.

The previous prime is 13524655880311. The next prime is 13524655880383. The reversal of 13524655880378 is 87308855642531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12105062268289 + 1419593612089 = 3479233^2 + 1191467^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3381163970093 + ... + 3381163970096.

Almost surely, 2^{13524655880378} is an apocalyptic number.

13524655880378 is a deficient number, since it is larger than the sum of its proper divisors (6762327940192).

13524655880378 is an equidigital number, since it uses as much as digits as its factorization.

13524655880378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6762327940191.

The product of its (nonzero) digits is 193536000, while the sum is 65.

The spelling of 13524655880378 in words is "thirteen trillion, five hundred twenty-four billion, six hundred fifty-five million, eight hundred eighty thousand, three hundred seventy-eight".