155051000018 has 16 divisors (see below), whose sum is σ = 232926464160. Its totient is φ = 77408898336.

The previous prime is 155051000017. The next prime is 155051000033. The reversal of 155051000018 is 810000150551.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155051000017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7307621 + ... + 7328807.

It is an arithmetic number, because the mean of its divisors is an integer number (14557904010).

Almost surely, 2^155051000018 is an apocalyptic number.

155051000018 is a deficient number, since it is larger than the sum of its proper divisors (77875464142).

155051000018 is a wasteful number, since it uses less digits than its factorization.

155051000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26521.

The product of its (nonzero) digits is 1000, while the sum is 26.

Adding to 155051000018 its reverse (810000150551), we get a palindrome (965051150569).

The spelling of 155051000018 in words is "one hundred fifty-five billion, fifty-one million, eighteen", and thus it is an aban number.