521151131041 has 2 divisors, whose sum is σ = 521151131042. Its totient is φ = 521151131040.

The previous prime is 521151131027. The next prime is 521151131071. The reversal of 521151131041 is 140131151125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300190026816 + 220961104225 = 547896^2 + 470065^2 .

It is a cyclic number.

It is not a de Polignac number, because 521151131041 - 2³³ = 512561196449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 521151130997 and 521151131015.

It is not a weakly prime, because it can be changed into another prime (521151131071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260575565520 + 260575565521.

It is an arithmetic number, because the mean of its divisors is an integer number (260575565521).

Almost surely, 2^521151131041 is an apocalyptic number.

It is an amenable number.

521151131041 is a deficient number, since it is larger than the sum of its proper divisors (1).

521151131041 is an equidigital number, since it uses as much as digits as its factorization.

521151131041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 521151131041 its reverse (140131151125), we get a palindrome (661282282166).

The spelling of 521151131041 in words is "five hundred twenty-one billion, one hundred fifty-one million, one hundred thirty-one thousand, forty-one".