5555150123 has 2 divisors, whose sum is σ = 5555150124. Its totient is φ = 5555150122.

The previous prime is 5555150119. The next prime is 5555150143. The reversal of 5555150123 is 3210515555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5555150123 - 2² = 5555150119 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5555150123.

It is not a weakly prime, because it can be changed into another prime (5555150143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777575061 + 2777575062.

It is an arithmetic number, because the mean of its divisors is an integer number (2777575062).

Almost surely, 2^5555150123 is an apocalyptic number.

5555150123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555150123 is an equidigital number, since it uses as much as digits as its factorization.

5555150123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 5555150123 is about 74532.8794761077. The cubic root of 5555150123 is about 1771.0545306183.

Adding to 5555150123 its reverse (3210515555), we get a palindrome (8765665678).

The spelling of 5555150123 in words is "five billion, five hundred fifty-five million, one hundred fifty thousand, one hundred twenty-three".