13185873550988 has 12 divisors (see below), whose sum is σ = 23611913103240. Its totient is φ = 6439612664352.

The previous prime is 13185873550981. The next prime is 13185873551003. The reversal of 13185873550988 is 88905537858131.

It is a super-2 number, since 2×13185873550988² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13185873550981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38331027593 + ... + 38331027936.

It is an arithmetic number, because the mean of its divisors is an integer number (1967659425270).

Almost surely, 2^{13185873550988} is an apocalyptic number.

It is an amenable number.

13185873550988 is a deficient number, since it is larger than the sum of its proper divisors (10426039552252).

13185873550988 is a wasteful number, since it uses less digits than its factorization.

13185873550988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76662055576 (or 76662055574 counting only the distinct ones).

The product of its (nonzero) digits is 290304000, while the sum is 71.

The spelling of 13185873550988 in words is "thirteen trillion, one hundred eighty-five billion, eight hundred seventy-three million, five hundred fifty thousand, nine hundred eighty-eight".