103551343155 has 24 divisors (see below), whose sum is σ = 193295841648. Its totient is φ = 50979122496.

The previous prime is 103551343127. The next prime is 103551343157. The reversal of 103551343155 is 551343155301.

103551343155 is a `hidden beast` number, since 10 + 3 + 551 + 3 + 43 + 1 + 55 = 666.

It is not a de Polignac number, because 103551343155 - 2²⁶ = 103484234291 is a prime.

It is a super-3 number, since 3×103551343155³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103551343157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88504837 + ... + 88506006.

It is an arithmetic number, because the mean of its divisors is an integer number (8053993402).

Almost surely, 2^103551343155 is an apocalyptic number.

103551343155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103551343155 is a deficient number, since it is larger than the sum of its proper divisors (89744498493).

103551343155 is a wasteful number, since it uses less digits than its factorization.

103551343155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177010867 (or 177010864 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

Adding to 103551343155 its reverse (551343155301), we get a palindrome (654894498456).

The spelling of 103551343155 in words is "one hundred three billion, five hundred fifty-one million, three hundred forty-three thousand, one hundred fifty-five".