10010505551 has 2 divisors, whose sum is σ = 10010505552. Its totient is φ = 10010505550.

The previous prime is 10010505521. The next prime is 10010505559. The reversal of 10010505551 is 15550501001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10010505551 is a prime.

It is a super-3 number, since 3×10010505551³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10010505559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005252775 + 5005252776.

It is an arithmetic number, because the mean of its divisors is an integer number (5005252776).

Almost surely, 2^10010505551 is an apocalyptic number.

10010505551 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010505551 is an equidigital number, since it uses as much as digits as its factorization.

10010505551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 10010505551 in words is "ten billion, ten million, five hundred five thousand, five hundred fifty-one".