13550444541345 has 16 divisors (see below), whose sum is σ = 21751332482880. Its totient is φ = 7203363349824.

The previous prime is 13550444541287. The next prime is 13550444541419. The reversal of 13550444541345 is 54314544405531.

It is not a de Polignac number, because 13550444541345 - 2⁶ = 13550444541281 is a prime.

It is a super-2 number, since 2×13550444541345² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13550444541294 and 13550444541303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1471270590 + ... + 1471279799.

It is an arithmetic number, because the mean of its divisors is an integer number (1359458280180).

Almost surely, 2^{13550444541345} is an apocalyptic number.

13550444541345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13550444541345 is a deficient number, since it is larger than the sum of its proper divisors (8200887941535).

13550444541345 is a wasteful number, since it uses less digits than its factorization.

13550444541345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942550704.

The product of its (nonzero) digits is 5760000, while the sum is 48.

Adding to 13550444541345 its reverse (54314544405531), we get a palindrome (67864988946876).

The spelling of 13550444541345 in words is "thirteen trillion, five hundred fifty billion, four hundred forty-four million, five hundred forty-one thousand, three hundred forty-five".