1411521131 has 2 divisors, whose sum is σ = 1411521132. Its totient is φ = 1411521130.

The previous prime is 1411521127. The next prime is 1411521179. The reversal of 1411521131 is 1311251141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1411521131 - 2² = 1411521127 is a prime.

It is a super-2 number, since 2×1411521131² = 3984783806519038322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1411521731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705760565 + 705760566.

It is an arithmetic number, because the mean of its divisors is an integer number (705760566).

Almost surely, 2^1411521131 is an apocalyptic number.

1411521131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1411521131 is an equidigital number, since it uses as much as digits as its factorization.

1411521131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 20.

The square root of 1411521131 is about 37570.2160094935. The cubic root of 1411521131 is about 1121.7492677129.

Adding to 1411521131 its reverse (1311251141), we get a palindrome (2722772272).

The spelling of 1411521131 in words is "one billion, four hundred eleven million, five hundred twenty-one thousand, one hundred thirty-one".