15315552233 has 2 divisors, whose sum is σ = 15315552234. Its totient is φ = 15315552232.

The previous prime is 15315552113. The next prime is 15315552253. The reversal of 15315552233 is 33225551351.

15315552233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14502903184 + 812649049 = 120428^2 + 28507^2 .

It is a cyclic number.

It is not a de Polignac number, because 15315552233 - 2¹² = 15315548137 is a prime.

It is a super-2 number, since 2×15315552233² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15315552193 and 15315552202.

It is not a weakly prime, because it can be changed into another prime (15315552253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7657776116 + 7657776117.

It is an arithmetic number, because the mean of its divisors is an integer number (7657776117).

Almost surely, 2^15315552233 is an apocalyptic number.

It is an amenable number.

15315552233 is a deficient number, since it is larger than the sum of its proper divisors (1).

15315552233 is an equidigital number, since it uses as much as digits as its factorization.

15315552233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67500, while the sum is 35.

The spelling of 15315552233 in words is "fifteen billion, three hundred fifteen million, five hundred fifty-two thousand, two hundred thirty-three".