5266003281551 has 2 divisors, whose sum is σ = 5266003281552. Its totient is φ = 5266003281550.

The previous prime is 5266003281541. The next prime is 5266003281577. The reversal of 5266003281551 is 1551823006625.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5266003281551 - 2³⁴ = 5248823412367 is a prime.

It is a super-2 number, since 2×5266003281551² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5266003281541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633001640775 + 2633001640776.

It is an arithmetic number, because the mean of its divisors is an integer number (2633001640776).

Almost surely, 2^{5266003281551} is an apocalyptic number.

5266003281551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5266003281551 is an equidigital number, since it uses as much as digits as its factorization.

5266003281551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 5266003281551 in words is "five trillion, two hundred sixty-six billion, three million, two hundred eighty-one thousand, five hundred fifty-one".