15332052257 has 2 divisors, whose sum is σ = 15332052258. Its totient is φ = 15332052256.

The previous prime is 15332052233. The next prime is 15332052271. The reversal of 15332052257 is 75225023351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15280915456 + 51136801 = 123616^2 + 7151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15332052257 is a prime.

It is a super-2 number, since 2×15332052257² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15332052227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7666026128 + 7666026129.

It is an arithmetic number, because the mean of its divisors is an integer number (7666026129).

Almost surely, 2^15332052257 is an apocalyptic number.

It is an amenable number.

15332052257 is a deficient number, since it is larger than the sum of its proper divisors (1).

15332052257 is an equidigital number, since it uses as much as digits as its factorization.

15332052257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 15332052257 in words is "fifteen billion, three hundred thirty-two million, fifty-two thousand, two hundred fifty-seven".