15532240201 has 2 divisors, whose sum is σ = 15532240202. Its totient is φ = 15532240200.

The previous prime is 15532240121. The next prime is 15532240271. The reversal of 15532240201 is 10204223551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10785030201 + 4747210000 = 103851^2 + 68900^2 .

It is a cyclic number.

It is not a de Polignac number, because 15532240201 - 2¹¹ = 15532238153 is a prime.

It is a super-4 number, since 4×15532240201⁴ (a number of 42 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (15532240271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7766120100 + 7766120101.

It is an arithmetic number, because the mean of its divisors is an integer number (7766120101).

Almost surely, 2^15532240201 is an apocalyptic number.

It is an amenable number.

15532240201 is a deficient number, since it is larger than the sum of its proper divisors (1).

15532240201 is an equidigital number, since it uses as much as digits as its factorization.

15532240201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 15532240201 its reverse (10204223551), we get a palindrome (25736463752).

The spelling of 15532240201 in words is "fifteen billion, five hundred thirty-two million, two hundred forty thousand, two hundred one".