13551425444836 has 6 divisors (see below), whose sum is σ = 23714994528470. Its totient is φ = 6775712722416.

The previous prime is 13551425444827. The next prime is 13551425444839. The reversal of 13551425444836 is 63844452415531.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12359485547236 + 1191939897600 = 3515606^2 + 1091760^2 .

It is a super-2 number, since 2×13551425444836² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13551425444839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1693928180601 + ... + 1693928180608.

Almost surely, 2^{13551425444836} is an apocalyptic number.

It is an amenable number.

13551425444836 is a deficient number, since it is larger than the sum of its proper divisors (10163569083634).

13551425444836 is a wasteful number, since it uses less digits than its factorization.

13551425444836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387856361213 (or 3387856361211 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 55.

The spelling of 13551425444836 in words is "thirteen trillion, five hundred fifty-one billion, four hundred twenty-five million, four hundred forty-four thousand, eight hundred thirty-six".