15555308144013 has 36 divisors (see below), whose sum is σ = 24698930873344. Its totient is φ = 9426755646000.

The previous prime is 15555308144011. The next prime is 15555308144053. The reversal of 15555308144013 is 31044180355551.

15555308144013 is a `hidden beast` number, since 1 + 5 + 5 + 553 + 0 + 81 + 4 + 4 + 0 + 13 = 666.

It is not a de Polignac number, because 15555308144013 - 2¹ = 15555308144011 is a prime.

It is a super-2 number, since 2×15555308144013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15555308144013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15555308144011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14248038 + ... + 15300888.

Almost surely, 2^{15555308144013} is an apocalyptic number.

It is an amenable number.

15555308144013 is a deficient number, since it is larger than the sum of its proper divisors (9143622729331).

15555308144013 is a wasteful number, since it uses less digits than its factorization.

15555308144013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066446 (or 1066432 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

Adding to 15555308144013 its reverse (31044180355551), we get a palindrome (46599488499564).

The spelling of 15555308144013 in words is "fifteen trillion, five hundred fifty-five billion, three hundred eight million, one hundred forty-four thousand, thirteen".