103555534161 has 4 divisors (see below), whose sum is σ = 138074045552. Its totient is φ = 69037022772.

The previous prime is 103555534097. The next prime is 103555534207. The reversal of 103555534161 is 161435555301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 103555534161 - 2⁶ = 103555534097 is a prime.

It is a super-3 number, since 3×103555534161³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103555534861) 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, 17259255691 + ... + 17259255696.

It is an arithmetic number, because the mean of its divisors is an integer number (34518511388).

Almost surely, 2^103555534161 is an apocalyptic number.

It is an amenable number.

103555534161 is a deficient number, since it is larger than the sum of its proper divisors (34518511391).

103555534161 is an equidigital number, since it uses as much as digits as its factorization.

103555534161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34518511390.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 103555534161 in words is "one hundred three billion, five hundred fifty-five million, five hundred thirty-four thousand, one hundred sixty-one".