155100244027 has 2 divisors, whose sum is σ = 155100244028. Its totient is φ = 155100244026.

The previous prime is 155100244007. The next prime is 155100244043. The reversal of 155100244027 is 720442001551.

It is a strong prime.

It is an emirp because it is prime and its reverse (720442001551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155100244027 - 2³¹ = 152952760379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155100244027.

It is not a weakly prime, because it can be changed into another prime (155100244007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77550122013 + 77550122014.

It is an arithmetic number, because the mean of its divisors is an integer number (77550122014).

Almost surely, 2^155100244027 is an apocalyptic number.

155100244027 is a deficient number, since it is larger than the sum of its proper divisors (1).

155100244027 is an equidigital number, since it uses as much as digits as its factorization.

155100244027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 31.

Adding to 155100244027 its reverse (720442001551), we get a palindrome (875542245578).

The spelling of 155100244027 in words is "one hundred fifty-five billion, one hundred million, two hundred forty-four thousand, twenty-seven".