615206511041 has 2 divisors, whose sum is σ = 615206511042. Its totient is φ = 615206511040.

The previous prime is 615206511011. The next prime is 615206511077. The reversal of 615206511041 is 140115602516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328467680641 + 286738830400 = 573121^2 + 535480^2 .

It is a cyclic number.

It is not a de Polignac number, because 615206511041 - 2²² = 615202316737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 615206510989 and 615206511007.

It is not a weakly prime, because it can be changed into another prime (615206511011) 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, 307603255520 + 307603255521.

It is an arithmetic number, because the mean of its divisors is an integer number (307603255521).

Almost surely, 2^615206511041 is an apocalyptic number.

It is an amenable number.

615206511041 is a deficient number, since it is larger than the sum of its proper divisors (1).

615206511041 is an equidigital number, since it uses as much as digits as its factorization.

615206511041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 615206511041 in words is "six hundred fifteen billion, two hundred six million, five hundred eleven thousand, forty-one".