103421552555 has 16 divisors (see below), whose sum is σ = 129694017024. Its totient is φ = 79093684320.

The previous prime is 103421552551. The next prime is 103421552561. The reversal of 103421552555 is 555255124301.

It is not a de Polignac number, because 103421552555 - 2² = 103421552551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103421552551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5107241 + ... + 5127450.

It is an arithmetic number, because the mean of its divisors is an integer number (8105876064).

Almost surely, 2^103421552555 is an apocalyptic number.

103421552555 is a deficient number, since it is larger than the sum of its proper divisors (26272464469).

103421552555 is a wasteful number, since it uses less digits than its factorization.

103421552555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10234786.

The product of its (nonzero) digits is 150000, while the sum is 38.

Adding to 103421552555 its reverse (555255124301), we get a palindrome (658676676856).

The spelling of 103421552555 in words is "one hundred three billion, four hundred twenty-one million, five hundred fifty-two thousand, five hundred fifty-five".