1015520141 has 2 divisors, whose sum is σ = 1015520142. Its totient is φ = 1015520140.

The previous prime is 1015520119. The next prime is 1015520161. The reversal of 1015520141 is 1410255101.

It is an a-pointer prime, because the next prime (1015520161) can be obtained adding 1015520141 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922397641 + 93122500 = 30371^2 + 9650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1015520141 - 2¹⁰ = 1015519117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1015520161) 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, 507760070 + 507760071.

It is an arithmetic number, because the mean of its divisors is an integer number (507760071).

Almost surely, 2^1015520141 is an apocalyptic number.

It is an amenable number.

1015520141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015520141 is an equidigital number, since it uses as much as digits as its factorization.

1015520141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1015520141 is about 31867.2267541435. The cubic root of 1015520141 is about 1005.1468448745.

Adding to 1015520141 its reverse (1410255101), we get a palindrome (2425775242).

The spelling of 1015520141 in words is "one billion, fifteen million, five hundred twenty thousand, one hundred forty-one".