103631621155 has 16 divisors (see below), whose sum is σ = 132976823904. Its totient is φ = 77255948800.

The previous prime is 103631621081. The next prime is 103631621161. The reversal of 103631621155 is 551126136301.

It is not a de Polignac number, because 103631621155 - 2¹³ = 103631612963 is a prime.

It is a super-3 number, since 3×103631621155³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103631621155.

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, 6027037 + ... + 6044206.

It is an arithmetic number, because the mean of its divisors is an integer number (8311051494).

Almost surely, 2^103631621155 is an apocalyptic number.

103631621155 is a deficient number, since it is larger than the sum of its proper divisors (29345202749).

103631621155 is a wasteful number, since it uses less digits than its factorization.

103631621155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12071366.

The product of its (nonzero) digits is 16200, while the sum is 34.

Adding to 103631621155 its reverse (551126136301), we get a palindrome (654757757456).

The spelling of 103631621155 in words is "one hundred three billion, six hundred thirty-one million, six hundred twenty-one thousand, one hundred fifty-five".