103213663155 has 72 divisors (see below), whose sum is σ = 191709803376. Its totient is φ = 53270965440.

The previous prime is 103213663127. The next prime is 103213663177. The reversal of 103213663155 is 551366312301.

103213663155 is a `hidden beast` number, since 1 + 0 + 3 + 2 + 13 + 6 + 631 + 5 + 5 = 666.

It is not a de Polignac number, because 103213663155 - 2⁸ = 103213662899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1123417 + ... + 1211813.

It is an arithmetic number, because the mean of its divisors is an integer number (2662636158).

Almost surely, 2^103213663155 is an apocalyptic number.

103213663155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103213663155 is a deficient number, since it is larger than the sum of its proper divisors (88496140221).

103213663155 is an frugal number, since it uses more digits than its factorization.

103213663155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88479 (or 88436 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Adding to 103213663155 its reverse (551366312301), we get a palindrome (654579975456).

The spelling of 103213663155 in words is "one hundred three billion, two hundred thirteen million, six hundred sixty-three thousand, one hundred fifty-five".