155300112203 has 2 divisors, whose sum is σ = 155300112204. Its totient is φ = 155300112202.

The previous prime is 155300112197. The next prime is 155300112211. The reversal of 155300112203 is 302211003551.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155300112203 - 2²⁶ = 155233003339 is a prime.

It is not a weakly prime, because it can be changed into another prime (155300112283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77650056101 + 77650056102.

It is an arithmetic number, because the mean of its divisors is an integer number (77650056102).

Almost surely, 2^155300112203 is an apocalyptic number.

155300112203 is a deficient number, since it is larger than the sum of its proper divisors (1).

155300112203 is an equidigital number, since it uses as much as digits as its factorization.

155300112203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 155300112203 its reverse (302211003551), we get a palindrome (457511115754).

The spelling of 155300112203 in words is "one hundred fifty-five billion, three hundred million, one hundred twelve thousand, two hundred three".