155123540105033 has 8 divisors (see below), whose sum is σ = 155947732867080. Its totient is φ = 154299718693120.

The previous prime is 155123540104999. The next prime is 155123540105119. The reversal of 155123540105033 is 330501045321551.

It can be written as a sum of positive squares in 4 ways, for example, as 88322554368064 + 66800985736969 = 9398008^2 + 8173187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155123540105033 - 2¹⁰ = 155123540104009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155123540005033) 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 7 ways as a sum of consecutive naturals, for example, 91999838 + ... + 93670791.

It is an arithmetic number, because the mean of its divisors is an integer number (19493466608385).

Almost surely, 2^{155123540105033} is an apocalyptic number.

It is an amenable number.

155123540105033 is a deficient number, since it is larger than the sum of its proper divisors (824192762047).

155123540105033 is a wasteful number, since it uses less digits than its factorization.

155123540105033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185675067.

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 155123540105033 its reverse (330501045321551), we get a palindrome (485624585426584).

The spelling of 155123540105033 in words is "one hundred fifty-five trillion, one hundred twenty-three billion, five hundred forty million, one hundred five thousand, thirty-three".