155230033103 has 2 divisors, whose sum is σ = 155230033104. Its totient is φ = 155230033102.

The previous prime is 155230033081. The next prime is 155230033139. The reversal of 155230033103 is 301330032551.

It is a weak prime.

It is an emirp because it is prime and its reverse (301330032551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155230033103 - 2⁶ = 155230033039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155230033163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77615016551 + 77615016552.

It is an arithmetic number, because the mean of its divisors is an integer number (77615016552).

Almost surely, 2^155230033103 is an apocalyptic number.

155230033103 is a deficient number, since it is larger than the sum of its proper divisors (1).

155230033103 is an equidigital number, since it uses as much as digits as its factorization.

155230033103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 155230033103 its reverse (301330032551), we get a palindrome (456560065654).

The spelling of 155230033103 in words is "one hundred fifty-five billion, two hundred thirty million, thirty-three thousand, one hundred three".