556603151287 has 2 divisors, whose sum is σ = 556603151288. Its totient is φ = 556603151286.

The previous prime is 556603151201. The next prime is 556603151317. The reversal of 556603151287 is 782151306655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556603151287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556603151287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556603151387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278301575643 + 278301575644.

It is an arithmetic number, because the mean of its divisors is an integer number (278301575644).

Almost surely, 2^556603151287 is an apocalyptic number.

556603151287 is a deficient number, since it is larger than the sum of its proper divisors (1).

556603151287 is an equidigital number, since it uses as much as digits as its factorization.

556603151287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 556603151287 in words is "five hundred fifty-six billion, six hundred three million, one hundred fifty-one thousand, two hundred eighty-seven".