10551501785663 has 2 divisors, whose sum is σ = 10551501785664. Its totient is φ = 10551501785662.

The previous prime is 10551501785653. The next prime is 10551501785689. The reversal of 10551501785663 is 36658710515501.

It is a weak prime.

It is an emirp because it is prime and its reverse (36658710515501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10551501785663 - 2¹² = 10551501781567 is a prime.

It is a super-2 number, since 2×10551501785663² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10551501785653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275750892831 + 5275750892832.

It is an arithmetic number, because the mean of its divisors is an integer number (5275750892832).

Almost surely, 2^{10551501785663} is an apocalyptic number.

10551501785663 is a deficient number, since it is larger than the sum of its proper divisors (1).

10551501785663 is an equidigital number, since it uses as much as digits as its factorization.

10551501785663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780000, while the sum is 53.

The spelling of 10551501785663 in words is "ten trillion, five hundred fifty-one billion, five hundred one million, seven hundred eighty-five thousand, six hundred sixty-three".