1015541141 has 2 divisors, whose sum is σ = 1015541142. Its totient is φ = 1015541140.

The previous prime is 1015541117. The next prime is 1015541147. The reversal of 1015541141 is 1411455101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 867066916 + 148474225 = 29446^2 + 12185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1015541141 - 2²² = 1011346837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1015541147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507770570 + 507770571.

It is an arithmetic number, because the mean of its divisors is an integer number (507770571).

Almost surely, 2^1015541141 is an apocalyptic number.

It is an amenable number.

1015541141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015541141 is an equidigital number, since it uses as much as digits as its factorization.

1015541141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 1015541141 is about 31867.5562445569. The cubic root of 1015541141 is about 1005.1537733234.

Adding to 1015541141 its reverse (1411455101), we get a palindrome (2426996242).

The spelling of 1015541141 in words is "one billion, fifteen million, five hundred forty-one thousand, one hundred forty-one".